100101032321 has 4 divisors (see below), whose sum is σ = 100103318532. Its totient is φ = 100098746112.

The previous prime is 100101032299. The next prime is 100101032347. The reversal of 100101032321 is 123230101001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123230101001 = 7 ⋅17604300143.

It can be written as a sum of positive squares in 2 ways, for example, as 71575511296 + 28525521025 = 267536^2 + 168895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100101032321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100101032296 and 100101032305.

It is not an unprimeable number, because it can be changed into a prime (100101032371) 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, 1076120 + ... + 1165433.

It is an arithmetic number, because the mean of its divisors is an integer number (25025829633).

Almost surely, 2^100101032321 is an apocalyptic number.

It is an amenable number.

100101032321 is a deficient number, since it is larger than the sum of its proper divisors (2286211).

100101032321 is an equidigital number, since it uses as much as digits as its factorization.

100101032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286210.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100101032321 its reverse (123230101001), we get a palindrome (223331133322).

The spelling of 100101032321 in words is "one hundred billion, one hundred one million, thirty-two thousand, three hundred twenty-one".