100979222500 has 60 divisors (see below), whose sum is σ = 237807699052. Its totient is φ = 37284624000.

The previous prime is 100979222483. The next prime is 100979222507. The reversal of 100979222500 is 5222979001.

It can be written as a sum of positive squares in 10 ways, for example, as 100744029604 + 235192896 = 317402^2 + 15336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100979222500.

It is not an unprimeable number, because it can be changed into a prime (100979222507) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1521027 + ... + 1586026.

Almost surely, 2^100979222500 is an apocalyptic number.

100979222500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100979222500 is an abundant number, since it is smaller than the sum of its proper divisors (136828476552).

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

100979222500 is a wasteful number, since it uses less digits than its factorization.

100979222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107090 (or 3107073 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 100979222500 in words is "one hundred billion, nine hundred seventy-nine million, two hundred twenty-two thousand, five hundred".