202100221002 has 16 divisors (see below), whose sum is σ = 418138388640. Its totient is φ = 65043749232.

The previous prime is 202100220989. The next prime is 202100221007. The reversal of 202100221002 is 200122001202.

It is not an unprimeable number, because it can be changed into a prime (202100221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580747588 + ... + 580747935.

It is an arithmetic number, because the mean of its divisors is an integer number (26133649290).

Almost surely, 2^202100221002 is an apocalyptic number.

202100221002 is an abundant number, since it is smaller than the sum of its proper divisors (216038167638).

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

202100221002 is a wasteful number, since it uses less digits than its factorization.

202100221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161495557.

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

Adding to 202100221002 its reverse (200122001202), we get a palindrome (402222222204).

The spelling of 202100221002 in words is "two hundred two billion, one hundred million, two hundred twenty-one thousand, two".