100122202100 has 72 divisors (see below), whose sum is σ = 230859474048. Its totient is φ = 37559692800.

The previous prime is 100122202087. The next prime is 100122202111. The reversal of 100122202100 is 1202221001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377045 + ... + 585155.

It is an arithmetic number, because the mean of its divisors is an integer number (3206381584).

Almost surely, 2^100122202100 is an apocalyptic number.

100122202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100122202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115429737024).

100122202100 is an abundant number, since it is smaller than the sum of its proper divisors (130737271948).

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

100122202100 is a wasteful number, since it uses less digits than its factorization.

100122202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208425 (or 208418 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100122202100 its reverse (1202221001), we get a palindrome (101324423101).

The spelling of 100122202100 in words is "one hundred billion, one hundred twenty-two million, two hundred two thousand, one hundred".