11122230119981 has 2 divisors, whose sum is σ = 11122230119982. Its totient is φ = 11122230119980.

The previous prime is 11122230119977. The next prime is 11122230120011. The reversal of 11122230119981 is 18991103222111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8787015204100 + 2335214915881 = 2964290^2 + 1528141^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122230119981 - 2² = 11122230119977 is a prime.

It is a super-2 number, since 2×11122230119981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122230119681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561115059990 + 5561115059991.

It is an arithmetic number, because the mean of its divisors is an integer number (5561115059991).

Almost surely, 2^{11122230119981} is an apocalyptic number.

It is an amenable number.

11122230119981 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122230119981 is an equidigital number, since it uses as much as digits as its factorization.

11122230119981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 41.

The spelling of 11122230119981 in words is "eleven trillion, one hundred twenty-two billion, two hundred thirty million, one hundred nineteen thousand, nine hundred eighty-one".