220212100120100 has 108 divisors (see below), whose sum is σ = 533707345699920. Its totient is φ = 78214867819200.

The previous prime is 220212100120093. The next prime is 220212100120127. The reversal of 220212100120100 is 1021001212022.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52101530 + ... + 56169329.

Almost surely, 2^{220212100120100} is an apocalyptic number.

220212100120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212100120100 is an abundant number, since it is smaller than the sum of its proper divisors (313495245579820).

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

220212100120100 is a wasteful number, since it uses less digits than its factorization.

220212100120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108270970 (or 108270920 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220212100120100 its reverse (1021001212022), we get a palindrome (221233101332122).

The spelling of 220212100120100 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred million, one hundred twenty thousand, one hundred".