100122100100 has 72 divisors (see below), whose sum is σ = 250958500128. Its totient is φ = 34266380800.

The previous prime is 100122100097. The next prime is 100122100217. The reversal of 100122100100 is 1001221001.

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, 2658362 + ... + 2695761.

It is an arithmetic number, because the mean of its divisors is an integer number (3485534724).

Almost surely, 2^100122100100 is an apocalyptic number.

100122100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122100100 is an abundant number, since it is smaller than the sum of its proper divisors (150836400028).

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

100122100100 is a wasteful number, since it uses less digits than its factorization.

100122100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354165 (or 5354158 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100122100100 its reverse (1001221001), we get a palindrome (101123321101).

100122100100 divided by its reverse (1001221001) gives a square (100 = 10²).

It can be divided in two parts, 10012 and 2100100, that added together give a palindrome (2110112).

The spelling of 100122100100 in words is "one hundred billion, one hundred twenty-two million, one hundred thousand, one hundred".