10204056565021 has 16 divisors (see below), whose sum is σ = 11434896209088. Its totient is φ = 9025428787200.

The previous prime is 10204056565009. The next prime is 10204056565033. The reversal of 10204056565021 is 12056565040201.

10204056565021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10204056565009) and next prime (10204056565033).

It is a cyclic number.

It is not a de Polignac number, because 10204056565021 - 2⁷ = 10204056564893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204056565051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41849370 + ... + 42092491.

It is an arithmetic number, because the mean of its divisors is an integer number (714681013068).

Almost surely, 2^{10204056565021} is an apocalyptic number.

10204056565021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10204056565021 is a deficient number, since it is larger than the sum of its proper divisors (1230839644067).

10204056565021 is a wasteful number, since it uses less digits than its factorization.

10204056565021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83942172.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 10204056565021 in words is "ten trillion, two hundred four billion, fifty-six million, five hundred sixty-five thousand, twenty-one".