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221110011122113 = 1911637369006427
BaseRepresentation
bin110010010001100100101111…
…101010110101000111000001
31001222212220120211212000202101
4302101210233222311013001
5212440131300321401423
62102132311542150401
764400446125241051
oct6221445752650701
91058786524760671
10221110011122113
11644a8257a52613
1220970727422401
13964b77a430879
143c85ad2b65561
151a868a372e7ad
hexc9192fab51c1

221110011122113 has 4 divisors (see below), whose sum is σ = 232747380128560. Its totient is φ = 209472642115668.

The previous prime is 221110011122107. The next prime is 221110011122179. The reversal of 221110011122113 is 311221110011122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-221110011122113 is a prime.

It is a super-2 number, since 2×2211100111221132 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11637369006427 = 221110011122113 / (2 + 2 + 1 + 1 + 1 + 0 + 0 + 1 + 1 + 1 + 2 + 2 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221110011122813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5818684503195 + ... + 5818684503232.

It is an arithmetic number, because the mean of its divisors is an integer number (58186845032140).

Almost surely, 2221110011122113 is an apocalyptic number.

It is an amenable number.

221110011122113 is a deficient number, since it is larger than the sum of its proper divisors (11637369006447).

221110011122113 is a wasteful number, since it uses less digits than its factorization.

221110011122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11637369006446.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 221110011122113 its reverse (311221110011122), we get a palindrome (532331121133235).

The spelling of 221110011122113 in words is "two hundred twenty-one trillion, one hundred ten billion, eleven million, one hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 19 11637369006427 221110011122113