100300323221 has 16 divisors (see below), whose sum is σ = 121759634304. Its totient is φ = 80656003584.

The previous prime is 100300323209. The next prime is 100300323241. The reversal of 100300323221 is 122323003001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100300323221 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100300323221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100300323241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309175 + ... + 1383668.

It is an arithmetic number, because the mean of its divisors is an integer number (7609977144).

Almost surely, 2^100300323221 is an apocalyptic number.

It is an amenable number.

100300323221 is a deficient number, since it is larger than the sum of its proper divisors (21459311083).

100300323221 is a wasteful number, since it uses less digits than its factorization.

100300323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693180.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100300323221 its reverse (122323003001), we get a palindrome (222623326222).

The spelling of 100300323221 in words is "one hundred billion, three hundred million, three hundred twenty-three thousand, two hundred twenty-one".