22120131169 has 2 divisors, whose sum is σ = 22120131170. Its totient is φ = 22120131168.

The previous prime is 22120131139. The next prime is 22120131197. The reversal of 22120131169 is 96113102122.

It is an a-pointer prime, because the next prime (22120131197) can be obtained adding 22120131169 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20529158400 + 1590972769 = 143280^2 + 39887^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120131169 - 2⁷ = 22120131041 is a prime.

It is a super-2 number, since 2×22120131169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22120131119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060065584 + 11060065585.

It is an arithmetic number, because the mean of its divisors is an integer number (11060065585).

Almost surely, 2^22120131169 is an apocalyptic number.

It is an amenable number.

22120131169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120131169 is an equidigital number, since it uses as much as digits as its factorization.

22120131169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 22120131169 in words is "twenty-two billion, one hundred twenty million, one hundred thirty-one thousand, one hundred sixty-nine".