100021210983 has 12 divisors (see below), whose sum is σ = 144698390928. Its totient is φ = 66577741920.

The previous prime is 100021210979. The next prime is 100021211023. The reversal of 100021210983 is 389012120001.

It is not a de Polignac number, because 100021210983 - 2² = 100021210979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021210903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8582638 + ... + 8594283.

It is an arithmetic number, because the mean of its divisors is an integer number (12058199244).

Almost surely, 2^100021210983 is an apocalyptic number.

100021210983 is a deficient number, since it is larger than the sum of its proper divisors (44677179945).

100021210983 is a wasteful number, since it uses less digits than its factorization.

100021210983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17177574 (or 17177571 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 100021210983 its reverse (389012120001), we get a palindrome (489033330984).

The spelling of 100021210983 in words is "one hundred billion, twenty-one million, two hundred ten thousand, nine hundred eighty-three".