122200100 has 36 divisors (see below), whose sum is σ = 289283568. Its totient is φ = 44436000.

The previous prime is 122200087. The next prime is 122200157. The reversal of 122200100 is 1002221.

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, 54446 + ... + 56645.

Almost surely, 2^122200100 is an apocalyptic number.

122200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200100 is an abundant number, since it is smaller than the sum of its proper divisors (167083468).

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

122200100 is a wasteful number, since it uses less digits than its factorization.

122200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111116 (or 111109 counting only the distinct ones).

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

The square root of 122200100 is about 11054.4154074288. The cubic root of 122200100 is about 496.2385743107.

Adding to 122200100 its reverse (1002221), we get a palindrome (123202321).

The spelling of 122200100 in words is "one hundred twenty-two million, two hundred thousand, one hundred".