112213670661 has 6 divisors (see below), whose sum is σ = 162086413190. Its totient is φ = 74809113768.

The previous prime is 112213670659. The next prime is 112213670687. The reversal of 112213670661 is 166076312211.

112213670661 is a `hidden beast` number, since 11 + 221 + 367 + 0 + 6 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73338056100 + 38875614561 = 270810^2 + 197169^2 .

It is not a de Polignac number, because 112213670661 - 2¹ = 112213670659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112213672661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6234092806 + ... + 6234092823.

Almost surely, 2^112213670661 is an apocalyptic number.

It is an amenable number.

112213670661 is a deficient number, since it is larger than the sum of its proper divisors (49872742529).

112213670661 is a wasteful number, since it uses less digits than its factorization.

112213670661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12468185635 (or 12468185632 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

Adding to 112213670661 its reverse (166076312211), we get a palindrome (278289982872).

The spelling of 112213670661 in words is "one hundred twelve billion, two hundred thirteen million, six hundred seventy thousand, six hundred sixty-one".