111032211312 has 120 divisors (see below), whose sum is σ = 348146638320. Its totient is φ = 32736752640.

The previous prime is 111032211263. The next prime is 111032211319. The reversal of 111032211312 is 213112230111.

111032211312 is a `hidden beast` number, since 1 + 110 + 32 + 211 + 312 = 666.

It is a super-2 number, since 2×111032211312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111032211319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 888637 + ... + 1005852.

It is an arithmetic number, because the mean of its divisors is an integer number (2901221986).

Almost surely, 2^111032211312 is an apocalyptic number.

111032211312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111032211312 is an abundant number, since it is smaller than the sum of its proper divisors (237114427008).

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

111032211312 is a wasteful number, since it uses less digits than its factorization.

111032211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894551 (or 1894542 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111032211312 its reverse (213112230111), we get a palindrome (324144441423).

The spelling of 111032211312 in words is "one hundred eleven billion, thirty-two million, two hundred eleven thousand, three hundred twelve".