112112111001101 has 4 divisors (see below), whose sum is σ = 113222131902204. Its totient is φ = 111002090100000.

The previous prime is 112112111001073. The next prime is 112112111001127. The reversal of 112112111001101 is 101100111211211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51036307360900 + 61075803640201 = 7143970^2 + 7815101^2 .

It is a cyclic number.

It is not a de Polignac number, because 112112111001101 - 2²² = 112112106806797 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 (112112111001001) 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, 555010450400 + ... + 555010450601.

It is an arithmetic number, because the mean of its divisors is an integer number (28305532975551).

Almost surely, 2^{112112111001101} is an apocalyptic number.

It is an amenable number.

112112111001101 is a deficient number, since it is larger than the sum of its proper divisors (1110020901103).

112112111001101 is a wasteful number, since it uses less digits than its factorization.

112112111001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110020901102.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 112112111001101 its reverse (101100111211211), we get a palindrome (213212222212312).

The spelling of 112112111001101 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred eleven million, one thousand, one hundred one".