220201221120100 has 144 divisors (see below), whose sum is σ = 538680241382976. Its totient is φ = 77436636480000.

The previous prime is 220201221120029. The next prime is 220201221120187. The reversal of 220201221120100 is 1021122102022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18269319 + ... + 27823918.

It is an arithmetic number, because the mean of its divisors is an integer number (3740835009604).

Almost surely, 2^{220201221120100} is an apocalyptic number.

220201221120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201221120100 is an abundant number, since it is smaller than the sum of its proper divisors (318479020262876).

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

220201221120100 is a wasteful number, since it uses less digits than its factorization.

220201221120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46093406 (or 46093399 counting only the distinct ones).

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

Adding to 220201221120100 its reverse (1021122102022), we get a palindrome (221222343222122).

The spelling of 220201221120100 in words is "two hundred twenty trillion, two hundred one billion, two hundred twenty-one million, one hundred twenty thousand, one hundred".