112120011111 has 4 divisors (see below), whose sum is σ = 149493348152. Its totient is φ = 74746674072.

The previous prime is 112120011079. The next prime is 112120011119. The reversal of 112120011111 is 111110021211.

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

It is not a de Polignac number, because 112120011111 - 2⁵ = 112120011079 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 (112120011119) 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, 18686668516 + ... + 18686668521.

It is an arithmetic number, because the mean of its divisors is an integer number (37373337038).

Almost surely, 2^112120011111 is an apocalyptic number.

112120011111 is a deficient number, since it is larger than the sum of its proper divisors (37373337041).

112120011111 is an equidigital number, since it uses as much as digits as its factorization.

112120011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37373337040.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 112120011111 its reverse (111110021211), we get a palindrome (223230032322).

It can be divided in two parts, 1121200 and 11111, that added together give a palindrome (1132311).

The spelling of 112120011111 in words is "one hundred twelve billion, one hundred twenty million, eleven thousand, one hundred eleven".