122210220020100 has 36 divisors (see below), whose sum is σ = 353594903259024. Its totient is φ = 32589392005280.

The previous prime is 122210220020041. The next prime is 122210220020167. The reversal of 122210220020100 is 1020022012221.

It is a super-2 number, since 2×122210220020100² (a number of 29 digits) contains 22 as substring.

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 122210220020100.

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, 203683699734 + ... + 203683700333.

It is an arithmetic number, because the mean of its divisors is an integer number (9822080646084).

Almost surely, 2^{122210220020100} is an apocalyptic number.

122210220020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210220020100 is an abundant number, since it is smaller than the sum of its proper divisors (231384683238924).

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

122210220020100 is a wasteful number, since it uses less digits than its factorization.

122210220020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407367400084 (or 407367400077 counting only the distinct ones).

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

Adding to 122210220020100 its reverse (1020022012221), we get a palindrome (123230242032321).

The spelling of 122210220020100 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred twenty million, twenty thousand, one hundred".