122200122020100 has 144 divisors (see below), whose sum is σ = 353928127150080. Its totient is φ = 32553303552000.

The previous prime is 122200122020089. The next prime is 122200122020117. The reversal of 122200122020100 is 1020221002221.

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 122200122020100.

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, 2552778966 + ... + 2552826834.

It is an arithmetic number, because the mean of its divisors is an integer number (2457834216320).

Almost surely, 2^{122200122020100} is an apocalyptic number.

122200122020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200122020100 is an abundant number, since it is smaller than the sum of its proper divisors (231728005129980).

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

122200122020100 is a wasteful number, since it uses less digits than its factorization.

122200122020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56430 (or 56423 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122200122020100 its reverse (1020221002221), we get a palindrome (123220343022321).

The spelling of 122200122020100 in words is "one hundred twenty-two trillion, two hundred billion, one hundred twenty-two million, twenty thousand, one hundred".