220111200020100 has 72 divisors (see below), whose sum is σ = 636889351660128. Its totient is φ = 58693160595200.

The previous prime is 220111200020071. The next prime is 220111200020161. The reversal of 220111200020100 is 1020002111022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14160921 + ... + 25313120.

It is an arithmetic number, because the mean of its divisors is an integer number (8845685439724).

Almost surely, 2^{220111200020100} is an apocalyptic number.

220111200020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111200020100 is an abundant number, since it is smaller than the sum of its proper divisors (416778151640028).

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

220111200020100 is a wasteful number, since it uses less digits than its factorization.

220111200020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39492645 (or 39492638 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220111200020100 its reverse (1020002111022), we get a palindrome (221131202131122).

The spelling of 220111200020100 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred million, twenty thousand, one hundred".