111112131210 has 16 divisors (see below), whose sum is σ = 266669114976. Its totient is φ = 29629901648.

The previous prime is 111112131203. The next prime is 111112131239. The reversal of 111112131210 is 12131211111.

111112131210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111112131210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851868824 + ... + 1851868883.

It is an arithmetic number, because the mean of its divisors is an integer number (16666819686).

Almost surely, 2^111112131210 is an apocalyptic number.

111112131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111112131210 is an abundant number, since it is smaller than the sum of its proper divisors (155556983766).

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

111112131210 is a wasteful number, since it uses less digits than its factorization.

111112131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703737717.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 111112131210 its reverse (12131211111), we get a palindrome (123243342321).

The spelling of 111112131210 in words is "one hundred eleven billion, one hundred twelve million, one hundred thirty-one thousand, two hundred ten".