100021119975 has 48 divisors (see below), whose sum is σ = 209991440640. Its totient is φ = 45723938400.

The previous prime is 100021119959. The next prime is 100021120051. The reversal of 100021119975 is 579911120001.

It is not a de Polignac number, because 100021119975 - 2⁴ = 100021119959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10579521 + ... + 10588970.

It is an arithmetic number, because the mean of its divisors is an integer number (4374821680).

Almost surely, 2^100021119975 is an apocalyptic number.

100021119975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100021119975 is an abundant number, since it is smaller than the sum of its proper divisors (109970320665).

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

100021119975 is a wasteful number, since it uses less digits than its factorization.

100021119975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21168517 (or 21168506 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 36.

Adding to 100021119975 its reverse (579911120001), we get a palindrome (679932239976).

The spelling of 100021119975 in words is "one hundred billion, twenty-one million, one hundred nineteen thousand, nine hundred seventy-five".