210020102122100 has 72 divisors (see below), whose sum is σ = 459674249277600. Its totient is φ = 83286336988800.

The previous prime is 210020102122021. The next prime is 210020102122121. The reversal of 210020102122100 is 1221201020012.

210020102122100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 11798615 + ... + 23648414.

It is an arithmetic number, because the mean of its divisors is an integer number (6384364573300).

Almost surely, 2^{210020102122100} is an apocalyptic number.

210020102122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020102122100 is an abundant number, since it is smaller than the sum of its proper divisors (249654147155500).

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

210020102122100 is a wasteful number, since it uses less digits than its factorization.

210020102122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35447553 (or 35447546 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210020102122100 its reverse (1221201020012), we get a palindrome (211241303142112).

The spelling of 210020102122100 in words is "two hundred ten trillion, twenty billion, one hundred two million, one hundred twenty-two thousand, one hundred".