112171400001 has 24 divisors (see below), whose sum is σ = 164012359680. Its totient is φ = 73865563200.

The previous prime is 112171399997. The next prime is 112171400053. The reversal of 112171400001 is 100004171211.

It is not a de Polignac number, because 112171400001 - 2² = 112171399997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112171400801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 723136 + ... + 864446.

It is an arithmetic number, because the mean of its divisors is an integer number (6833848320).

Almost surely, 2^112171400001 is an apocalyptic number.

It is an amenable number.

112171400001 is a deficient number, since it is larger than the sum of its proper divisors (51840959679).

112171400001 is a wasteful number, since it uses less digits than its factorization.

112171400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142397 (or 142394 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 112171400001 its reverse (100004171211), we get a palindrome (212175571212).

The spelling of 112171400001 in words is "one hundred twelve billion, one hundred seventy-one million, four hundred thousand, one".