22112120249 has 2 divisors, whose sum is σ = 22112120250. Its totient is φ = 22112120248.

The previous prime is 22112120209. The next prime is 22112120281. The reversal of 22112120249 is 94202121122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21776314624 + 335805625 = 147568^2 + 18325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112120249 is a prime.

It is not a weakly prime, because it can be changed into another prime (22112120209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056060124 + 11056060125.

It is an arithmetic number, because the mean of its divisors is an integer number (11056060125).

Almost surely, 2^22112120249 is an apocalyptic number.

It is an amenable number.

22112120249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112120249 is an equidigital number, since it uses as much as digits as its factorization.

22112120249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 22112120249 in words is "twenty-two billion, one hundred twelve million, one hundred twenty thousand, two hundred forty-nine".