111031020212013 has 12 divisors (see below), whose sum is σ = 174957971243328. Its totient is φ = 67291527401160.

The previous prime is 111031020211999. The next prime is 111031020212113. The reversal of 111031020212013 is 310212020130111.

111031020212013 is a `hidden beast` number, since 1 + 110 + 310 + 20 + 21 + 201 + 3 = 666.

It is not a de Polignac number, because 111031020212013 - 2³² = 111026725244717 is a prime.

It is a super-3 number, since 3×111031020212013³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111031020212113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560762728245 + ... + 560762728442.

It is an arithmetic number, because the mean of its divisors is an integer number (14579830936944).

Almost surely, 2^{111031020212013} is an apocalyptic number.

It is an amenable number.

111031020212013 is a deficient number, since it is larger than the sum of its proper divisors (63926951031315).

111031020212013 is a wasteful number, since it uses less digits than its factorization.

111031020212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121525456704 (or 1121525456701 counting only the distinct ones).

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

Adding to 111031020212013 its reverse (310212020130111), we get a palindrome (421243040342124).

The spelling of 111031020212013 in words is "one hundred eleven trillion, thirty-one billion, twenty million, two hundred twelve thousand, thirteen".