220211111022100 has 72 divisors (see below), whose sum is σ = 522846641798208. Its totient is φ = 79839150988800.

The previous prime is 220211111022047. The next prime is 220211111022143. The reversal of 220211111022100 is 1220111112022.

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, 296649952 + ... + 297391351.

It is an arithmetic number, because the mean of its divisors is an integer number (7261758913864).

Almost surely, 2^{220211111022100} is an apocalyptic number.

220211111022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211111022100 is an abundant number, since it is smaller than the sum of its proper divisors (302635530776108).

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

220211111022100 is a wasteful number, since it uses less digits than its factorization.

220211111022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594041665 (or 594041658 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220211111022100 its reverse (1220111112022), we get a palindrome (221431222134122).

The spelling of 220211111022100 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred eleven million, twenty-two thousand, one hundred".