202121131300 has 36 divisors (see below), whose sum is σ = 478475844336. Its totient is φ = 73498592800.

The previous prime is 202121131297. The next prime is 202121131319. The reversal of 202121131300 is 3131121202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91872142 + ... + 91874341.

It is an arithmetic number, because the mean of its divisors is an integer number (13290995676).

Almost surely, 2^202121131300 is an apocalyptic number.

202121131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202121131300 is an abundant number, since it is smaller than the sum of its proper divisors (276354713036).

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

202121131300 is a wasteful number, since it uses less digits than its factorization.

202121131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183746508 (or 183746501 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 202121131300 its reverse (3131121202), we get a palindrome (205252252502).

The spelling of 202121131300 in words is "two hundred two billion, one hundred twenty-one million, one hundred thirty-one thousand, three hundred".