100103232021 has 64 divisors (see below), whose sum is σ = 160396185600. Its totient is φ = 54860737536.

The previous prime is 100103232013. The next prime is 100103232037. The reversal of 100103232021 is 120232301001.

It is not a de Polignac number, because 100103232021 - 2³ = 100103232013 is a prime.

It is a super-2 number, since 2×100103232021² (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 (100103232041) 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 63 ways as a sum of consecutive naturals, for example, 11572320 + ... + 11580966.

It is an arithmetic number, because the mean of its divisors is an integer number (2506190400).

Almost surely, 2^100103232021 is an apocalyptic number.

It is an amenable number.

100103232021 is a deficient number, since it is larger than the sum of its proper divisors (60292953579).

100103232021 is a wasteful number, since it uses less digits than its factorization.

100103232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9618.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100103232021 its reverse (120232301001), we get a palindrome (220335533022).

The spelling of 100103232021 in words is "one hundred billion, one hundred three million, two hundred thirty-two thousand, twenty-one".