21022712776410 has 16 divisors (see below), whose sum is σ = 50454510663456. Its totient is φ = 5606056740368.

The previous prime is 21022712776399. The next prime is 21022712776501. The reversal of 21022712776410 is 1467721722012.

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, 350378546244 + ... + 350378546303.

It is an arithmetic number, because the mean of its divisors is an integer number (3153406916466).

Almost surely, 2^{21022712776410} is an apocalyptic number.

21022712776410 is an abundant number, since it is smaller than the sum of its proper divisors (29431797887046).

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

21022712776410 is a wasteful number, since it uses less digits than its factorization.

21022712776410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700757092557.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 21022712776410 in words is "twenty-one trillion, twenty-two billion, seven hundred twelve million, seven hundred seventy-six thousand, four hundred ten".