112122099979 has 4 divisors (see below), whose sum is σ = 112162829976. Its totient is φ = 112081369984.

The previous prime is 112122099977. The next prime is 112122100001. The reversal of 112122099979 is 979990221211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112122099979 - 2¹ = 112122099977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112122099977) 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, 20360869 + ... + 20366374.

It is an arithmetic number, because the mean of its divisors is an integer number (28040707494).

Almost surely, 2^112122099979 is an apocalyptic number.

112122099979 is a deficient number, since it is larger than the sum of its proper divisors (40729997).

112122099979 is an equidigital number, since it uses as much as digits as its factorization.

112122099979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40729996.

The product of its (nonzero) digits is 367416, while the sum is 52.

The spelling of 112122099979 in words is "one hundred twelve billion, one hundred twenty-two million, ninety-nine thousand, nine hundred seventy-nine".