111332312202131 has 16 divisors (see below), whose sum is σ = 113416911175680. Its totient is φ = 109254315878880.

The previous prime is 111332312202127. The next prime is 111332312202173. The reversal of 111332312202131 is 131202213233111.

It is a cyclic number.

It is not a de Polignac number, because 111332312202131 - 2² = 111332312202127 is a prime.

It is a super-2 number, since 2×111332312202131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111332312202131.

It is not an unprimeable number, because it can be changed into a prime (111332312202101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081779566 + ... + 1081882476.

It is an arithmetic number, because the mean of its divisors is an integer number (7088556948480).

Almost surely, 2^{111332312202131} is an apocalyptic number.

111332312202131 is a deficient number, since it is larger than the sum of its proper divisors (2084598973549).

111332312202131 is a wasteful number, since it uses less digits than its factorization.

111332312202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134794.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 111332312202131 its reverse (131202213233111), we get a palindrome (242534525435242).

The spelling of 111332312202131 in words is "one hundred eleven trillion, three hundred thirty-two billion, three hundred twelve million, two hundred two thousand, one hundred thirty-one".