220110002100 has 72 divisors (see below), whose sum is σ = 707612904320. Its totient is φ = 58695999840.

The previous prime is 220110002081. The next prime is 220110002113. The reversal of 220110002100 is 1200011022.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 40758412 + ... + 40763811.

Almost surely, 2^220110002100 is an apocalyptic number.

220110002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220110002100 is an abundant number, since it is smaller than the sum of its proper divisors (487502902220).

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

220110002100 is a wasteful number, since it uses less digits than its factorization.

220110002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81522246 (or 81522233 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 220110002100 its reverse (1200011022), we get a palindrome (221310013122).

The spelling of 220110002100 in words is "two hundred twenty billion, one hundred ten million, two thousand, one hundred".