1112102119981 has 2 divisors, whose sum is σ = 1112102119982. Its totient is φ = 1112102119980.

The previous prime is 1112102119969. The next prime is 1112102120033. The reversal of 1112102119981 is 1899112012111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1038534237225 + 73567882756 = 1019085^2 + 271234^2 .

It is an emirp because it is prime and its reverse (1899112012111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112102119981 - 2⁵ = 1112102119949 is a prime.

It is a super-2 number, since 2×1112102119981² (a number of 25 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 1112102119981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112102117981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556051059990 + 556051059991.

It is an arithmetic number, because the mean of its divisors is an integer number (556051059991).

Almost surely, 2^{1112102119981} is an apocalyptic number.

It is an amenable number.

1112102119981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112102119981 is an equidigital number, since it uses as much as digits as its factorization.

1112102119981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 37.

The spelling of 1112102119981 in words is "one trillion, one hundred twelve billion, one hundred two million, one hundred nineteen thousand, nine hundred eighty-one".