122202112100 has 18 divisors (see below), whose sum is σ = 265178583474. Its totient is φ = 48880844800.

The previous prime is 122202112099. The next prime is 122202112177. The reversal of 122202112100 is 1211202221.

It can be written as a sum of positive squares in 3 ways, for example, as 1454201956 + 120747910144 = 38134^2 + 347488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611010461 + ... + 611010660.

Almost surely, 2^122202112100 is an apocalyptic number.

122202112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202112100 is an abundant number, since it is smaller than the sum of its proper divisors (142976471374).

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

122202112100 is a wasteful number, since it uses less digits than its factorization.

122202112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222021135 (or 1222021128 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122202112100 its reverse (1211202221), we get a palindrome (123413314321).

The spelling of 122202112100 in words is "one hundred twenty-two billion, two hundred two million, one hundred twelve thousand, one hundred".