21120233202112 has 56 divisors (see below), whose sum is σ = 45729976177152. Its totient is φ = 9598117267200.

The previous prime is 21120233202017. The next prime is 21120233202143.

21120233202112 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 296043 + ... + 6506005.

Almost surely, 2^{21120233202112} is an apocalyptic number.

21120233202112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21120233202112 is an abundant number, since it is smaller than the sum of its proper divisors (24609742975040).

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

21120233202112 is a wasteful number, since it uses less digits than its factorization.

21120233202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214817 (or 6214807 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 2112023 and 3202112, that added together give a palindrome (5314135).

The spelling of 21120233202112 in words is "twenty-one trillion, one hundred twenty billion, two hundred thirty-three million, two hundred two thousand, one hundred twelve".