220211020100 has 36 divisors (see below), whose sum is σ = 477942826368. Its totient is φ = 88068756000.

The previous prime is 220211020087. The next prime is 220211020181. The reversal of 220211020100 is 1020112022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378305 + ... + 763895.

Almost surely, 2^220211020100 is an apocalyptic number.

220211020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211020100 is an abundant number, since it is smaller than the sum of its proper divisors (257731806268).

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

220211020100 is a wasteful number, since it uses less digits than its factorization.

220211020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391316 (or 391309 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220211020100 its reverse (1020112022), we get a palindrome (221231132122).

The spelling of 220211020100 in words is "two hundred twenty billion, two hundred eleven million, twenty thousand, one hundred".