122202020100 has 72 divisors (see below), whose sum is σ = 363127188928. Its totient is φ = 31706467200.

The previous prime is 122202020099. The next prime is 122202020147. The reversal of 122202020100 is 1020202221.

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, 5493496 + ... + 5515695.

Almost surely, 2^122202020100 is an apocalyptic number.

122202020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202020100 is an abundant number, since it is smaller than the sum of its proper divisors (240925168828).

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

122202020100 is a wasteful number, since it uses less digits than its factorization.

122202020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009245 (or 11009238 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 122202020100 its reverse (1020202221), we get a palindrome (123222222321).

The spelling of 122202020100 in words is "one hundred twenty-two billion, two hundred two million, twenty thousand, one hundred".