111013123012 has 48 divisors (see below), whose sum is σ = 229118057280. Its totient is φ = 46512662400.

The previous prime is 111013123009. The next prime is 111013123021. The reversal of 111013123012 is 210321310111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763539 + ... + 1825402.

It is an arithmetic number, because the mean of its divisors is an integer number (4773292860).

Almost surely, 2^111013123012 is an apocalyptic number.

It is an amenable number.

111013123012 is an abundant number, since it is smaller than the sum of its proper divisors (118104934268).

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

111013123012 is a wasteful number, since it uses less digits than its factorization.

111013123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589012 (or 3589010 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111013123012 its reverse (210321310111), we get a palindrome (321334433123).

The spelling of 111013123012 in words is "one hundred eleven billion, thirteen million, one hundred twenty-three thousand, twelve".