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22102312221113 = 193118196968461
BaseRepresentation
bin1010000011010000110000…
…11101111111100110111001
32220020221221010210200221112
411001220120131333212321
510344111013412033423
6115001355001050105
74440560621036615
oct501503035774671
986227833720845
1022102312221113
1170515a1051963
12258b6ab786935
13c443153bb4c7
14565a86c9c345
15284dea085a78
hex141a1877f9b9

22102312221113 has 8 divisors (see below), whose sum is σ = 22235644084296. Its totient is φ = 21969174297600.

The previous prime is 22102312221107. The next prime is 22102312221131. The reversal of 22102312221113 is 31112221320122.

It can be written as a sum of positive squares in 4 ways, for example, as 3394983132304 + 18707329088809 = 1842548^2 + 4325197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22102312221113 - 212 = 22102312217017 is a prime.

It is a super-2 number, since 2×221023122211132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102312221103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48256298 + ... + 48712163.

It is an arithmetic number, because the mean of its divisors is an integer number (2779455510537).

Almost surely, 222102312221113 is an apocalyptic number.

It is an amenable number.

22102312221113 is a deficient number, since it is larger than the sum of its proper divisors (133331863183).

22102312221113 is a wasteful number, since it uses less digits than its factorization.

22102312221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96969835.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22102312221113 its reverse (31112221320122), we get a palindrome (53214533541235).

Subtracting 22102312221113 from its reverse (31112221320122), we obtain a palindrome (9009909099009).

It can be divided in two parts, 2210231 and 2221113, that added together give a palindrome (4431344).

The spelling of 22102312221113 in words is "twenty-two trillion, one hundred two billion, three hundred twelve million, two hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 193 1181 227933 96968461 18714912973 114519752441 22102312221113