112919228881 has 2 divisors, whose sum is σ = 112919228882. Its totient is φ = 112919228880.

The previous prime is 112919228861. The next prime is 112919228953. The reversal of 112919228881 is 188822919211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68570659600 + 44348569281 = 261860^2 + 210591^2 .

It is a cyclic number.

It is not a de Polignac number, because 112919228881 - 2⁷ = 112919228753 is a prime.

It is a super-2 number, since 2×112919228881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112919228861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56459614440 + 56459614441.

It is an arithmetic number, because the mean of its divisors is an integer number (56459614441).

Almost surely, 2^112919228881 is an apocalyptic number.

It is an amenable number.

112919228881 is a deficient number, since it is larger than the sum of its proper divisors (1).

112919228881 is an equidigital number, since it uses as much as digits as its factorization.

112919228881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 52.

The spelling of 112919228881 in words is "one hundred twelve billion, nine hundred nineteen million, two hundred twenty-eight thousand, eight hundred eighty-one".