222120232151 has 2 divisors, whose sum is σ = 222120232152. Its totient is φ = 222120232150.

The previous prime is 222120232133. The next prime is 222120232171. The reversal of 222120232151 is 151232021222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222120232151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120232111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060116075 + 111060116076.

It is an arithmetic number, because the mean of its divisors is an integer number (111060116076).

Almost surely, 2^222120232151 is an apocalyptic number.

222120232151 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120232151 is an equidigital number, since it uses as much as digits as its factorization.

222120232151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 222120232151 its reverse (151232021222), we get a palindrome (373352253373).

The spelling of 222120232151 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred thirty-two thousand, one hundred fifty-one".