222211111127329 has 2 divisors, whose sum is σ = 222211111127330. Its totient is φ = 222211111127328.

The previous prime is 222211111127321. The next prime is 222211111127359. The reversal of 222211111127329 is 923721111112222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211012229587600 + 11198881539729 = 14526260^2 + 3346473^2 .

It is a cyclic number.

It is not a de Polignac number, because 222211111127329 - 2³ = 222211111127321 is a prime.

It is not a weakly prime, because it can be changed into another prime (222211111127321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105555563664 + 111105555563665.

It is an arithmetic number, because the mean of its divisors is an integer number (111105555563665).

Almost surely, 2^{222211111127329} is an apocalyptic number.

It is an amenable number.

222211111127329 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211111127329 is an equidigital number, since it uses as much as digits as its factorization.

222211111127329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The spelling of 222211111127329 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-seven thousand, three hundred twenty-nine".