112102012109 has 16 divisors (see below), whose sum is σ = 117386993664. Its totient is φ = 106922348400.

The previous prime is 112102012093. The next prime is 112102012111. The reversal of 112102012109 is 901210201211.

It is a cyclic number.

It is not a de Polignac number, because 112102012109 - 2⁴ = 112102012093 is a prime.

It is a super-2 number, since 2×112102012109² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102012189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8628032 + ... + 8641014.

It is an arithmetic number, because the mean of its divisors is an integer number (7336687104).

Almost surely, 2^112102012109 is an apocalyptic number.

It is an amenable number.

112102012109 is a deficient number, since it is larger than the sum of its proper divisors (5284981555).

112102012109 is a wasteful number, since it uses less digits than its factorization.

112102012109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17008.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 112102012109 in words is "one hundred twelve billion, one hundred two million, twelve thousand, one hundred nine".