113052226889981 has 2 divisors, whose sum is σ = 113052226889982. Its totient is φ = 113052226889980.

The previous prime is 113052226889969. The next prime is 113052226890019. The reversal of 113052226889981 is 189988622250311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112451369367481 + 600857522500 = 10604309^2 + 775150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113052226889981 is a prime.

It is a super-2 number, since 2×113052226889981² (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 (113052226889081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56526113444990 + 56526113444991.

It is an arithmetic number, because the mean of its divisors is an integer number (56526113444991).

Almost surely, 2^{113052226889981} is an apocalyptic number.

It is an amenable number.

113052226889981 is a deficient number, since it is larger than the sum of its proper divisors (1).

113052226889981 is an equidigital number, since it uses as much as digits as its factorization.

113052226889981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29859840, while the sum is 65.

The spelling of 113052226889981 in words is "one hundred thirteen trillion, fifty-two billion, two hundred twenty-six million, eight hundred eighty-nine thousand, nine hundred eighty-one".