112012100210981 has 2 divisors, whose sum is σ = 112012100210982. Its totient is φ = 112012100210980.

The previous prime is 112012100210963. The next prime is 112012100211047. The reversal of 112012100210981 is 189012001210211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89918659677025 + 22093440533956 = 9482545^2 + 4700366^2 .

It is a cyclic number.

It is not a de Polignac number, because 112012100210981 - 2⁶ = 112012100210917 is a prime.

It is a super-2 number, since 2×112012100210981² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112012100210951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006050105490 + 56006050105491.

It is an arithmetic number, because the mean of its divisors is an integer number (56006050105491).

Almost surely, 2^{112012100210981} is an apocalyptic number.

It is an amenable number.

112012100210981 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012100210981 is an equidigital number, since it uses as much as digits as its factorization.

112012100210981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 112012100210981 in words is "one hundred twelve trillion, twelve billion, one hundred million, two hundred ten thousand, nine hundred eighty-one".