220101111112100 has 36 divisors (see below), whose sum is σ = 502757274860400. Its totient is φ = 83406736841760.

The previous prime is 220101111112079. The next prime is 220101111112109. The reversal of 220101111112100 is 1211111101022.

It is a super-2 number, since 2×220101111112100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220101111112109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57921343130 + ... + 57921346929.

Almost surely, 2^{220101111112100} is an apocalyptic number.

220101111112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220101111112100 is an abundant number, since it is smaller than the sum of its proper divisors (282656163748300).

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

220101111112100 is a wasteful number, since it uses less digits than its factorization.

220101111112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115842690092 (or 115842690085 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 220101111112100 its reverse (1211111101022), we get a palindrome (221312222213122).

The spelling of 220101111112100 in words is "two hundred twenty trillion, one hundred one billion, one hundred eleven million, one hundred twelve thousand, one hundred".