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10021001222111 = 115991520868299
BaseRepresentation
bin1001000111010011001000…
…1101111101011111011111
31022110222221210201212121112
42101310302031331133133
52303141002303101421
633151330122052235
72052664515652145
oct221646215753737
938428853655545
1010021001222111
113213978a41030
12115a17904a07b
13578c900aa679
1426903a39d595
15125a08a3245b
hex91d3237d7df

10021001222111 has 8 divisors (see below), whose sum is σ = 10950251760000. Its totient is φ = 9094792422040.

The previous prime is 10021001222027. The next prime is 10021001222131. The reversal of 10021001222111 is 11122210012001.

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 10021001222111 - 210 = 10021001221087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021001222131) 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, 760427561 + ... + 760440738.

It is an arithmetic number, because the mean of its divisors is an integer number (1368781470000).

Almost surely, 210021001222111 is an apocalyptic number.

10021001222111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10021001222111 is a deficient number, since it is larger than the sum of its proper divisors (929250537889).

10021001222111 is a wasteful number, since it uses less digits than its factorization.

10021001222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520868909.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10021001222111 its reverse (11122210012001), we get a palindrome (21143211234112).

The spelling of 10021001222111 in words is "ten trillion, twenty-one billion, one million, two hundred twenty-two thousand, one hundred eleven".

Divisors: 1 11 599 6589 1520868299 16729551289 911000111101 10021001222111