10012002112021 has 16 divisors (see below), whose sum is σ = 12325428872064. Its totient is φ = 7919678188224.

The previous prime is 10012002111959. The next prime is 10012002112061. The reversal of 10012002112021 is 12021120021001.

It is a cyclic number.

It is not a de Polignac number, because 10012002112021 - 2⁷ = 10012002111893 is a prime.

It is a super-2 number, since 2×10012002112021² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10012002111992 and 10012002112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012002112061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12855055 + ... + 13611628.

It is an arithmetic number, because the mean of its divisors is an integer number (770339304504).

Almost surely, 2^{10012002112021} is an apocalyptic number.

It is an amenable number.

10012002112021 is a deficient number, since it is larger than the sum of its proper divisors (2313426760043).

10012002112021 is a wasteful number, since it uses less digits than its factorization.

10012002112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26470860.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10012002112021 its reverse (12021120021001), we get a palindrome (22033122133022).

The spelling of 10012002112021 in words is "ten trillion, twelve billion, two million, one hundred twelve thousand, twenty-one".