112377122161 has 4 divisors (see below), whose sum is σ = 112379545152. Its totient is φ = 112374699172.

The previous prime is 112377122149. The next prime is 112377122177. The reversal of 112377122161 is 161221773211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161221773211 = 41 ⋅3932238371.

It is a cyclic number.

It is not a de Polignac number, because 112377122161 - 2²⁹ = 111840251249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112377122141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140541 + ... + 1235146.

It is an arithmetic number, because the mean of its divisors is an integer number (28094886288).

Almost surely, 2^112377122161 is an apocalyptic number.

It is an amenable number.

112377122161 is a deficient number, since it is larger than the sum of its proper divisors (2422991).

112377122161 is an equidigital number, since it uses as much as digits as its factorization.

112377122161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422990.

The product of its digits is 7056, while the sum is 34.

Adding to 112377122161 its reverse (161221773211), we get a palindrome (273598895372).

The spelling of 112377122161 in words is "one hundred twelve billion, three hundred seventy-seven million, one hundred twenty-two thousand, one hundred sixty-one".