111113032020 has 24 divisors (see below), whose sum is σ = 311116489824. Its totient is φ = 29630141856.

The previous prime is 111113032013. The next prime is 111113032031. The reversal of 111113032020 is 20230311111.

It is a happy number.

It is a super-2 number, since 2×111113032020² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925941874 + ... + 925941993.

It is an arithmetic number, because the mean of its divisors is an integer number (12963187076).

Almost surely, 2^111113032020 is an apocalyptic number.

111113032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111113032020 is an abundant number, since it is smaller than the sum of its proper divisors (200003457804).

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

111113032020 is a wasteful number, since it uses less digits than its factorization.

111113032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851883879 (or 1851883877 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111113032020 its reverse (20230311111), we get a palindrome (131343343131).

The spelling of 111113032020 in words is "one hundred eleven billion, one hundred thirteen million, thirty-two thousand, twenty".