222120321127 has 2 divisors, whose sum is σ = 222120321128. Its totient is φ = 222120321126.

The previous prime is 222120320987. The next prime is 222120321139. The reversal of 222120321127 is 721123021222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222120321127 - 2³⁵ = 187760582759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120321727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060160563 + 111060160564.

It is an arithmetic number, because the mean of its divisors is an integer number (111060160564).

Almost surely, 2^222120321127 is an apocalyptic number.

222120321127 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120321127 is an equidigital number, since it uses as much as digits as its factorization.

222120321127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 222120321127 its reverse (721123021222), we get a palindrome (943243342349).

The spelling of 222120321127 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred twenty-one thousand, one hundred twenty-seven".