1112122665161 has 32 divisors (see below), whose sum is σ = 1157750161152. Its totient is φ = 1067720693760.

The previous prime is 1112122665127. The next prime is 1112122665163. The reversal of 1112122665161 is 1615662212111.

It is a cyclic number.

It is not a de Polignac number, because 1112122665161 - 2³⁴ = 1094942795977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1112122665163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444314636 + ... + 444317138.

It is an arithmetic number, because the mean of its divisors is an integer number (36179692536).

Almost surely, 2^{1112122665161} is an apocalyptic number.

It is an amenable number.

1112122665161 is a deficient number, since it is larger than the sum of its proper divisors (45627495991).

1112122665161 is a wasteful number, since it uses less digits than its factorization.

1112122665161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633.

The product of its digits is 8640, while the sum is 35.

Adding to 1112122665161 its reverse (1615662212111), we get a palindrome (2727784877272).

The spelling of 1112122665161 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, six hundred sixty-five thousand, one hundred sixty-one".