220211100122100 has 36 divisors (see below), whose sum is σ = 637144116354144. Its totient is φ = 58722960032480.

The previous prime is 220211100122053. The next prime is 220211100122141. The reversal of 220211100122100 is 1221001112022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220211100122100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367018499904 + ... + 367018500503.

It is an arithmetic number, because the mean of its divisors is an integer number (17698447676504).

Almost surely, 2^{220211100122100} is an apocalyptic number.

220211100122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211100122100 is an abundant number, since it is smaller than the sum of its proper divisors (416933016232044).

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

220211100122100 is a wasteful number, since it uses less digits than its factorization.

220211100122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734037000424 (or 734037000417 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220211100122100 its reverse (1221001112022), we get a palindrome (221432101234122).

The spelling of 220211100122100 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred million, one hundred twenty-two thousand, one hundred".