210100201021122 has 64 divisors (see below), whose sum is σ = 425477037081600. Its totient is φ = 69157245358080.

The previous prime is 210100201021031. The next prime is 210100201021127. The reversal of 210100201021122 is 221120102001012.

It is not an unprimeable number, because it can be changed into a prime (210100201021127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1163828847 + ... + 1164009357.

It is an arithmetic number, because the mean of its divisors is an integer number (6648078704400).

Almost surely, 2^{210100201021122} is an apocalyptic number.

210100201021122 is an abundant number, since it is smaller than the sum of its proper divisors (215376836060478).

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

210100201021122 is a wasteful number, since it uses less digits than its factorization.

210100201021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185051.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210100201021122 its reverse (221120102001012), we get a palindrome (431220303022134).

The spelling of 210100201021122 in words is "two hundred ten trillion, one hundred billion, two hundred one million, twenty-one thousand, one hundred twenty-two".