122210101200100 has 36 divisors (see below), whose sum is σ = 265327400418724. Its totient is φ = 48859804385280.

The previous prime is 122210101200091. The next prime is 122210101200127. The reversal of 122210101200100 is 1002101012221.

It can be written as a sum of positive squares in 6 ways, for example, as 17333699717376 + 104876401482724 = 4163376^2 + 10240918^2 .

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, 302748477 + ... + 303151876.

Almost surely, 2^{122210101200100} is an apocalyptic number.

122210101200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210101200100 is an abundant number, since it is smaller than the sum of its proper divisors (143117299218624).

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

122210101200100 is a wasteful number, since it uses less digits than its factorization.

122210101200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605902384 (or 605902377 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122210101200100 its reverse (1002101012221), we get a palindrome (123212202212321).

The spelling of 122210101200100 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred one million, two hundred thousand, one hundred".