210201010021100 has 72 divisors (see below), whose sum is σ = 528439580389728. Its totient is φ = 71081672256000.

The previous prime is 210201010021097. The next prime is 210201010021133. The reversal of 210201010021100 is 1120010102012.

It is a super-2 number, since 2×210201010021100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2056710251 + ... + 2056812450.

It is an arithmetic number, because the mean of its divisors is an integer number (7339438616524).

Almost surely, 2^{210201010021100} is an apocalyptic number.

210201010021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201010021100 is an abundant number, since it is smaller than the sum of its proper divisors (318238570368628).

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

210201010021100 is a wasteful number, since it uses less digits than its factorization.

210201010021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113522795 (or 4113522788 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210201010021100 its reverse (1120010102012), we get a palindrome (211321020123112).

The spelling of 210201010021100 in words is "two hundred ten trillion, two hundred one billion, ten million, twenty-one thousand, one hundred".