222100130321 has 4 divisors (see below), whose sum is σ = 222262604352. Its totient is φ = 221937656292.

The previous prime is 222100130303. The next prime is 222100130377. The reversal of 222100130321 is 123031001222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222100130321 - 2⁶ = 222100130257 is a prime.

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 222100130321.

It is not an unprimeable number, because it can be changed into a prime (222100132321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81234965 + ... + 81237698.

It is an arithmetic number, because the mean of its divisors is an integer number (55565651088).

Almost surely, 2^222100130321 is an apocalyptic number.

It is an amenable number.

222100130321 is a deficient number, since it is larger than the sum of its proper divisors (162474031).

222100130321 is a wasteful number, since it uses less digits than its factorization.

222100130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162474030.

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

Adding to 222100130321 its reverse (123031001222), we get a palindrome (345131131543).

The spelling of 222100130321 in words is "two hundred twenty-two billion, one hundred million, one hundred thirty thousand, three hundred twenty-one".