21110102010200 has 96 divisors (see below), whose sum is σ = 57286015603200. Its totient is φ = 7083754573440.

The previous prime is 21110102010187. The next prime is 21110102010229. The reversal of 21110102010200 is 201020101112.

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, 160345310 + ... + 160476909.

It is an arithmetic number, because the mean of its divisors is an integer number (596729329200).

Almost surely, 2^{21110102010200} is an apocalyptic number.

21110102010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21110102010200 is an abundant number, since it is smaller than the sum of its proper divisors (36175913593000).

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

21110102010200 is a wasteful number, since it uses less digits than its factorization.

21110102010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320822289 (or 320822280 counting only the distinct ones).

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

Adding to 21110102010200 its reverse (201020101112), we get a palindrome (21311122111312).

The spelling of 21110102010200 in words is "twenty-one trillion, one hundred ten billion, one hundred two million, ten thousand, two hundred".