220200211221100 has 72 divisors (see below), whose sum is σ = 526435083092016. Its totient is φ = 79280004000000.

The previous prime is 220200211221083. The next prime is 220200211221113. The reversal of 220200211221100 is 1122112002022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990888951 + ... + 991111150.

It is an arithmetic number, because the mean of its divisors is an integer number (7311598376278).

Almost surely, 2^{220200211221100} is an apocalyptic number.

220200211221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220200211221100 is an abundant number, since it is smaller than the sum of its proper divisors (306234871870916).

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

220200211221100 is a wasteful number, since it uses less digits than its factorization.

220200211221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982000227 (or 1982000220 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220200211221100 its reverse (1122112002022), we get a palindrome (221322323223122).

The spelling of 220200211221100 in words is "two hundred twenty trillion, two hundred billion, two hundred eleven million, two hundred twenty-one thousand, one hundred".