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22111101001 = 1113469149239
BaseRepresentation
bin10100100101111011…
…001010000001001001
32010001221221022101201
4110211323022001021
5330240420213001
614054021344201
71411635154213
oct244573120111
963057838351
1022111101001
11941715a4a0
124350b68061
132114b81522
1410da8215b3
15896277501
hex525eca049

22111101001 has 8 divisors (see below), whose sum is σ = 24123153600. Its totient is φ = 20099373840.

The previous prime is 22111100971. The next prime is 22111101007. The reversal of 22111101001 is 10010111122.

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 22111101001 - 27 = 22111100873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111101007) 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, 73540 + ... + 222778.

It is an arithmetic number, because the mean of its divisors is an integer number (3015394200).

Almost surely, 222111101001 is an apocalyptic number.

It is an amenable number.

22111101001 is a deficient number, since it is larger than the sum of its proper divisors (2012052599).

22111101001 is a wasteful number, since it uses less digits than its factorization.

22111101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162719.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 22111101001 its reverse (10010111122), we get a palindrome (32121212123).

The spelling of 22111101001 in words is "twenty-two billion, one hundred eleven million, one hundred one thousand, one".

Divisors: 1 11 13469 148159 149239 1641629 2010100091 22111101001