112011111121 has 16 divisors (see below), whose sum is σ = 138051648000. Its totient is φ = 88500863808.

The previous prime is 112011111109. The next prime is 112011111127. The reversal of 112011111121 is 121111110211.

It is not a de Polignac number, because 112011111121 - 2⁷ = 112011110993 is a prime.

It is a super-2 number, since 2×112011111121² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (112011111127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790546 + ... + 921403.

It is an arithmetic number, because the mean of its divisors is an integer number (8628228000).

Almost surely, 2^112011111121 is an apocalyptic number.

It is an amenable number.

112011111121 is a deficient number, since it is larger than the sum of its proper divisors (26040536879).

112011111121 is a wasteful number, since it uses less digits than its factorization.

112011111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712688.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 112011111121 its reverse (121111110211), we get a palindrome (233122221332).

The spelling of 112011111121 in words is "one hundred twelve billion, eleven million, one hundred eleven thousand, one hundred twenty-one".