2100201021210 has 64 divisors (see below), whose sum is σ = 5053701590784. Its totient is φ = 558586329600.

The previous prime is 2100201021161. The next prime is 2100201021257. The reversal of 2100201021210 is 121201020012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22570180 + ... + 22663040.

It is an arithmetic number, because the mean of its divisors is an integer number (78964087356).

Almost surely, 2^{2100201021210} is an apocalyptic number.

2100201021210 is an abundant number, since it is smaller than the sum of its proper divisors (2953500569574).

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

2100201021210 is a wasteful number, since it uses less digits than its factorization.

2100201021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94839.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100201021210 its reverse (121201020012), we get a palindrome (2221402041222).

The spelling of 2100201021210 in words is "two trillion, one hundred billion, two hundred one million, twenty-one thousand, two hundred ten".