100508883021 has 16 divisors (see below), whose sum is σ = 149130102720. Its totient is φ = 66903297840.

The previous prime is 100508883019. The next prime is 100508883071. The reversal of 100508883021 is 120388805001.

It is not a de Polignac number, because 100508883021 - 2¹ = 100508883019 is a prime.

It is a super-2 number, since 2×100508883021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100508883071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832715 + ... + 2867976.

It is an arithmetic number, because the mean of its divisors is an integer number (9320631420).

Almost surely, 2^100508883021 is an apocalyptic number.

It is an amenable number.

100508883021 is a deficient number, since it is larger than the sum of its proper divisors (48621219699).

100508883021 is an equidigital number, since it uses as much as digits as its factorization.

100508883021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701353 (or 5701347 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 100508883021 in words is "one hundred billion, five hundred eight million, eight hundred eighty-three thousand, twenty-one".