220202221100 has 18 divisors (see below), whose sum is σ = 477838820004. Its totient is φ = 88080888400.

The previous prime is 220202221087. The next prime is 220202221123. The reversal of 220202221100 is 1122202022.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1101011006 + ... + 1101011205.

Almost surely, 2^220202221100 is an apocalyptic number.

220202221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220202221100 is an abundant number, since it is smaller than the sum of its proper divisors (257636598904).

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

220202221100 is a wasteful number, since it uses less digits than its factorization.

220202221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202022225 (or 2202022218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220202221100 its reverse (1122202022), we get a palindrome (221324423122).

The spelling of 220202221100 in words is "two hundred twenty billion, two hundred two million, two hundred twenty-one thousand, one hundred".