2021002100202 has 64 divisors (see below), whose sum is σ = 4101741504000. Its totient is φ = 663757034688.

The previous prime is 2021002100189. The next prime is 2021002100207. The reversal of 2021002100202 is 2020012001202.

It is not an unprimeable number, because it can be changed into a prime (2021002100207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552335449 + ... + 552339107.

It is an arithmetic number, because the mean of its divisors is an integer number (64089711000).

Almost surely, 2^{2021002100202} is an apocalyptic number.

2021002100202 is an abundant number, since it is smaller than the sum of its proper divisors (2080739403798).

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

2021002100202 is a wasteful number, since it uses less digits than its factorization.

2021002100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2021002100202 its reverse (2020012001202), we get a palindrome (4041014101404).

The spelling of 2021002100202 in words is "two trillion, twenty-one billion, two million, one hundred thousand, two hundred two".