202100000021130 has 64 divisors (see below), whose sum is σ = 502403086362240. Its totient is φ = 51968824260864.

The previous prime is 202100000021057. The next prime is 202100000021141. The reversal of 202100000021130 is 31120000001202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146900349 + ... + 148269728.

It is an arithmetic number, because the mean of its divisors is an integer number (7850048224410).

Almost surely, 2^{202100000021130} is an apocalyptic number.

202100000021130 is an abundant number, since it is smaller than the sum of its proper divisors (300303086341110).

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

202100000021130 is a wasteful number, since it uses less digits than its factorization.

202100000021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295170903.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 202100000021130 its reverse (31120000001202), we get a palindrome (233220000022332).

The spelling of 202100000021130 in words is "two hundred two trillion, one hundred billion, twenty-one thousand, one hundred thirty".