100321221032 has 32 divisors (see below), whose sum is σ = 199482937920. Its totient is φ = 47135128320.

The previous prime is 100321220999. The next prime is 100321221043. The reversal of 100321221032 is 230122123001.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 100321221032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498698 + ... + 670329.

It is an arithmetic number, because the mean of its divisors is an integer number (6233841810).

Almost surely, 2^100321221032 is an apocalyptic number.

It is an amenable number.

100321221032 is a deficient number, since it is larger than the sum of its proper divisors (99161716888).

100321221032 is a wasteful number, since it uses less digits than its factorization.

100321221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169681 (or 1169677 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100321221032 its reverse (230122123001), we get a palindrome (330443344033).

The spelling of 100321221032 in words is "one hundred billion, three hundred twenty-one million, two hundred twenty-one thousand, thirty-two".