21022112010212 has 24 divisors (see below), whose sum is σ = 36807496261536. Its totient is φ = 10505685423168.

The previous prime is 21022112010203. The next prime is 21022112010269. The reversal of 21022112010212 is 21201021122012.

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, 96862883 + ... + 97079669.

It is an arithmetic number, because the mean of its divisors is an integer number (1533645677564).

Almost surely, 2^{21022112010212} is an apocalyptic number.

It is an amenable number.

21022112010212 is a deficient number, since it is larger than the sum of its proper divisors (15785384251324).

21022112010212 is a wasteful number, since it uses less digits than its factorization.

21022112010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229067 (or 229065 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21022112010212 its reverse (21201021122012), we get a palindrome (42223133132224).

The spelling of 21022112010212 in words is "twenty-one trillion, twenty-two billion, one hundred twelve million, ten thousand, two hundred twelve".