100321232201 has 4 divisors (see below), whose sum is σ = 106222481172. Its totient is φ = 94419983232.

The previous prime is 100321232177. The next prime is 100321232213. The reversal of 100321232201 is 102232123001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45018654976 + 55302577225 = 212176^2 + 235165^2 .

It is a cyclic number.

It is not a de Polignac number, because 100321232201 - 2²² = 100317037897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 5901248953 = 100321232201 / (1 + 0 + 0 + 3 + 2 + 1 + 2 + 3 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100321232201.

It is not an unprimeable number, because it can be changed into a prime (100321232251) 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 3 ways as a sum of consecutive naturals, for example, 2950624460 + ... + 2950624493.

It is an arithmetic number, because the mean of its divisors is an integer number (26555620293).

Almost surely, 2^100321232201 is an apocalyptic number.

It is an amenable number.

100321232201 is a deficient number, since it is larger than the sum of its proper divisors (5901248971).

100321232201 is an equidigital number, since it uses as much as digits as its factorization.

100321232201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901248970.

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

Adding to 100321232201 its reverse (102232123001), we get a palindrome (202553355202).

The spelling of 100321232201 in words is "one hundred billion, three hundred twenty-one million, two hundred thirty-two thousand, two hundred one".