111000112013231 has 16 divisors (see below), whose sum is σ = 126898996239360. Its totient is φ = 95111663565120.

The previous prime is 111000112013221. The next prime is 111000112013233. The reversal of 111000112013231 is 132310211000111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000112013231 is a prime.

It is a super-2 number, since 2×111000112013231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000112013233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312386990 + ... + 312742116.

It is an arithmetic number, because the mean of its divisors is an integer number (7931187264960).

Almost surely, 2^{111000112013231} is an apocalyptic number.

111000112013231 is a deficient number, since it is larger than the sum of its proper divisors (15898884226129).

111000112013231 is a wasteful number, since it uses less digits than its factorization.

111000112013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369694.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111000112013231 its reverse (132310211000111), we get a palindrome (243310323013342).

The spelling of 111000112013231 in words is "one hundred eleven trillion, one hundred twelve million, thirteen thousand, two hundred thirty-one".