100132321321 has 4 divisors (see below), whose sum is σ = 100146713044. Its totient is φ = 100117929600.

The previous prime is 100132321307. The next prime is 100132321327. The reversal of 100132321321 is 123123231001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123123231001 = 4153 ⋅29646817.

It can be written as a sum of positive squares in 2 ways, for example, as 49936159296 + 50196162025 = 223464^2 + 224045^2 .

It is a cyclic number.

It is not a de Polignac number, because 100132321321 - 2³¹ = 97984837673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100132321327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7185420 + ... + 7199341.

It is an arithmetic number, because the mean of its divisors is an integer number (25036678261).

Almost surely, 2^100132321321 is an apocalyptic number.

It is an amenable number.

100132321321 is a deficient number, since it is larger than the sum of its proper divisors (14391723).

100132321321 is an equidigital number, since it uses as much as digits as its factorization.

100132321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14391722.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 100132321321 its reverse (123123231001), we get a palindrome (223255552322).

The spelling of 100132321321 in words is "one hundred billion, one hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-one".