202012210002021 has 32 divisors (see below), whose sum is σ = 278473175838720. Its totient is φ = 130126659062400.

The previous prime is 202012210002017. The next prime is 202012210002091. The reversal of 202012210002021 is 120200012210202.

It is not a de Polignac number, because 202012210002021 - 2² = 202012210002017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012210002091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563985841 + ... + 564343913.

It is an arithmetic number, because the mean of its divisors is an integer number (8702286744960).

Almost surely, 2^{202012210002021} is an apocalyptic number.

It is an amenable number.

202012210002021 is a deficient number, since it is larger than the sum of its proper divisors (76460965836699).

202012210002021 is a wasteful number, since it uses less digits than its factorization.

202012210002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367577.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202012210002021 its reverse (120200012210202), we get a palindrome (322212222212223).

The spelling of 202012210002021 in words is "two hundred two trillion, twelve billion, two hundred ten million, two thousand, twenty-one".