111013212000020 has 48 divisors (see below), whose sum is σ = 267706501675200. Its totient is φ = 38243785950720.

The previous prime is 111013212000007. The next prime is 111013212000023. The reversal of 111013212000020 is 20000212310111.

It is a super-2 number, since 2×111013212000020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111013211999959 and 111013212000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111013212000023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13279088165 + ... + 13279096524.

It is an arithmetic number, because the mean of its divisors is an integer number (5577218784900).

Almost surely, 2^{111013212000020} is an apocalyptic number.

111013212000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111013212000020 is an abundant number, since it is smaller than the sum of its proper divisors (156693289675180).

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

111013212000020 is a wasteful number, since it uses less digits than its factorization.

111013212000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26558184728 (or 26558184726 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111013212000020 its reverse (20000212310111), we get a palindrome (131013424310131).

The spelling of 111013212000020 in words is "one hundred eleven trillion, thirteen billion, two hundred twelve million, twenty", and thus it is an aban number.