202056121000 has 64 divisors (see below), whose sum is σ = 479868367680. Its totient is φ = 79616116800.

The previous prime is 202056120979. The next prime is 202056121063. The reversal of 202056121000 is 121650202.

202056121000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440882 + ... + 1574881.

It is an arithmetic number, because the mean of its divisors is an integer number (7497943245).

Almost surely, 2^202056121000 is an apocalyptic number.

202056121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202056121000 is an abundant number, since it is smaller than the sum of its proper divisors (277812246680).

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

202056121000 is a wasteful number, since it uses less digits than its factorization.

202056121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015851 (or 3015837 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 202056121000 its reverse (121650202), we get a palindrome (202177771202).

The spelling of 202056121000 in words is "two hundred two billion, fifty-six million, one hundred twenty-one thousand".