10012002010021 has 16 divisors (see below), whose sum is σ = 11256592596480. Its totient is φ = 8826191806320.

The previous prime is 10012002009979. The next prime is 10012002010027. The reversal of 10012002010021 is 12001020021001.

It is a cyclic number.

It is not a de Polignac number, because 10012002010021 - 2¹³ = 10012002001829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012002010027) 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, 76074625 + ... + 76206118.

It is an arithmetic number, because the mean of its divisors is an integer number (703537037280).

Almost surely, 2^{10012002010021} is an apocalyptic number.

10012002010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10012002010021 is a deficient number, since it is larger than the sum of its proper divisors (1244590586459).

10012002010021 is a wasteful number, since it uses less digits than its factorization.

10012002010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152280936.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10012002010021 its reverse (12001020021001), we get a palindrome (22013022031022).

The spelling of 10012002010021 in words is "ten trillion, twelve billion, two million, ten thousand, twenty-one".