222131121169 has 2 divisors, whose sum is σ = 222131121170. Its totient is φ = 222131121168.

The previous prime is 222131121151. The next prime is 222131121203. The reversal of 222131121169 is 961121131222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218895786769 + 3235334400 = 467863^2 + 56880^2 .

It is a cyclic number.

It is not a de Polignac number, because 222131121169 - 2²¹ = 222129024017 is a prime.

It is a super-2 number, since 2×222131121169² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222131121169.

It is not a weakly prime, because it can be changed into another prime (222131121139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111065560584 + 111065560585.

It is an arithmetic number, because the mean of its divisors is an integer number (111065560585).

Almost surely, 2^222131121169 is an apocalyptic number.

It is an amenable number.

222131121169 is a deficient number, since it is larger than the sum of its proper divisors (1).

222131121169 is an equidigital number, since it uses as much as digits as its factorization.

222131121169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 31.

The spelling of 222131121169 in words is "two hundred twenty-two billion, one hundred thirty-one million, one hundred twenty-one thousand, one hundred sixty-nine".