210021022110112 has 24 divisors (see below), whose sum is σ = 413513057026692. Its totient is φ = 105001833024000.

The previous prime is 210021022110089. The next prime is 210021022110127. The reversal of 210021022110112 is 211011220120012.

It can be written as a sum of positive squares in 2 ways, for example, as 199591455203856 + 10429566906256 = 14127684^2 + 3229484^2 .

It is a super-2 number, since 2×210021022110112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270795189 + ... + 271569652.

Almost surely, 2^{210021022110112} is an apocalyptic number.

It is an amenable number.

210021022110112 is a deficient number, since it is larger than the sum of its proper divisors (203492034916580).

210021022110112 is a wasteful number, since it uses less digits than its factorization.

210021022110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542376952 (or 542376944 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210021022110112 its reverse (211011220120012), we get a palindrome (421032242230124).

The spelling of 210021022110112 in words is "two hundred ten trillion, twenty-one billion, twenty-two million, one hundred ten thousand, one hundred twelve".