111113100312 has 32 divisors (see below), whose sum is σ = 279178656000. Its totient is φ = 36851579424.

The previous prime is 111113100311. The next prime is 111113100313. The reversal of 111113100312 is 213001311111.

It is an interprime number because it is at equal distance from previous prime (111113100311) and next prime (111113100313).

It is a super-2 number, since 2×111113100312² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111113100291 and 111113100300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111113100311) 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, 11627668 + ... + 11637219.

It is an arithmetic number, because the mean of its divisors is an integer number (8724333000).

Almost surely, 2^111113100312 is an apocalyptic number.

111113100312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111113100312 is an abundant number, since it is smaller than the sum of its proper divisors (168065555688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111113100312 is a wasteful number, since it uses less digits than its factorization.

111113100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23265095 (or 23265091 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111113100312 its reverse (213001311111), we get a palindrome (324114411423).

The spelling of 111113100312 in words is "one hundred eleven billion, one hundred thirteen million, one hundred thousand, three hundred twelve".