222120321139 has 2 divisors, whose sum is σ = 222120321140. Its totient is φ = 222120321138.

The previous prime is 222120321127. The next prime is 222120321193. The reversal of 222120321139 is 931123021222.

Together with next prime (222120321193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222120321139 - 2²³ = 222111932531 is a prime.

It is not a weakly prime, because it can be changed into another prime (222120321439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060160569 + 111060160570.

It is an arithmetic number, because the mean of its divisors is an integer number (111060160570).

Almost surely, 2^222120321139 is an apocalyptic number.

222120321139 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120321139 is an equidigital number, since it uses as much as digits as its factorization.

222120321139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 222120321139 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred twenty-one thousand, one hundred thirty-nine".