10221021011212 has 24 divisors (see below), whose sum is σ = 19512983508480. Its totient is φ = 4645888828560.

The previous prime is 10221021011209. The next prime is 10221021011233. The reversal of 10221021011212 is 21211012012201.

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, 7122589 + ... + 8436427.

It is an arithmetic number, because the mean of its divisors is an integer number (813040979520).

Almost surely, 2^{10221021011212} is an apocalyptic number.

It is an amenable number.

10221021011212 is a deficient number, since it is larger than the sum of its proper divisors (9291962497268).

10221021011212 is a wasteful number, since it uses less digits than its factorization.

10221021011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490661 (or 1490659 counting only the distinct ones).

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

Adding to 10221021011212 its reverse (21211012012201), we get a palindrome (31432033023413).

The spelling of 10221021011212 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, eleven thousand, two hundred twelve".