222101023321 has 2 divisors, whose sum is σ = 222101023322. Its totient is φ = 222101023320.

The previous prime is 222101023307. The next prime is 222101023367. The reversal of 222101023321 is 123320101222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137804288400 + 84296734921 = 371220^2 + 290339^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101023321 - 2²³ = 222092634713 is a prime.

It is not a weakly prime, because it can be changed into another prime (222101023301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050511660 + 111050511661.

It is an arithmetic number, because the mean of its divisors is an integer number (111050511661).

Almost surely, 2^222101023321 is an apocalyptic number.

It is an amenable number.

222101023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101023321 is an equidigital number, since it uses as much as digits as its factorization.

222101023321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222101023321 its reverse (123320101222), we get a palindrome (345421124543).

The spelling of 222101023321 in words is "two hundred twenty-two billion, one hundred one million, twenty-three thousand, three hundred twenty-one".