112111100001 has 16 divisors (see below), whose sum is σ = 166690134400. Its totient is φ = 74470906224.

The previous prime is 112111099999. The next prime is 112111100033. The reversal of 112111100001 is 100001111211.

It is not a de Polignac number, because 112111100001 - 2¹ = 112111099999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112116100001) 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, 7487581 + ... + 7502538.

It is an arithmetic number, because the mean of its divisors is an integer number (10418133400).

Almost surely, 2^112111100001 is an apocalyptic number.

It is an amenable number.

112111100001 is a deficient number, since it is larger than the sum of its proper divisors (54579034399).

112111100001 is a wasteful number, since it uses less digits than its factorization.

112111100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14990405 (or 14990399 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 112111100001 its reverse (100001111211), we get a palindrome (212112211212).

The spelling of 112111100001 in words is "one hundred twelve billion, one hundred eleven million, one hundred thousand, one".