202121130000 has 100 divisors (see below), whose sum is σ = 652474053968. Its totient is φ = 53898960000.

The previous prime is 202121129989. The next prime is 202121130061. The reversal of 202121130000 is 31121202.

202121130000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3338686 + ... + 3398685.

Almost surely, 2^202121130000 is an apocalyptic number.

202121130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202121130000 is an abundant number, since it is smaller than the sum of its proper divisors (450352923968).

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

202121130000 is an equidigital number, since it uses as much as digits as its factorization.

202121130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737402 (or 6737381 counting only the distinct ones).

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

Adding to 202121130000 its reverse (31121202), we get a palindrome (202152251202).

The spelling of 202121130000 in words is "two hundred two billion, one hundred twenty-one million, one hundred thirty thousand".