222223031321129 has 2 divisors, whose sum is σ = 222223031321130. Its totient is φ = 222223031321128.

The previous prime is 222223031321117. The next prime is 222223031321153. The reversal of 222223031321129 is 921123130322222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185306227474729 + 36916803846400 = 13612723^2 + 6075920^2 .

It is a cyclic number.

It is not a de Polignac number, because 222223031321129 - 2²⁴ = 222223014543913 is a prime.

It is not a weakly prime, because it can be changed into another prime (222223031381129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111515660564 + 111111515660565.

It is an arithmetic number, because the mean of its divisors is an integer number (111111515660565).

Almost surely, 2^{222223031321129} is an apocalyptic number.

It is an amenable number.

222223031321129 is a deficient number, since it is larger than the sum of its proper divisors (1).

222223031321129 is an equidigital number, since it uses as much as digits as its factorization.

222223031321129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 222223031321129 in words is "two hundred twenty-two trillion, two hundred twenty-three billion, thirty-one million, three hundred twenty-one thousand, one hundred twenty-nine".