112131030111 has 4 divisors (see below), whose sum is σ = 149508040152. Its totient is φ = 74754020072.

The previous prime is 112131030107. The next prime is 112131030127. The reversal of 112131030111 is 111030131211.

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

It is a cyclic number.

It is not a de Polignac number, because 112131030111 - 2² = 112131030107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131030181) 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, 18688505016 + ... + 18688505021.

It is an arithmetic number, because the mean of its divisors is an integer number (37377010038).

Almost surely, 2^112131030111 is an apocalyptic number.

112131030111 is a deficient number, since it is larger than the sum of its proper divisors (37377010041).

112131030111 is an equidigital number, since it uses as much as digits as its factorization.

112131030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37377010040.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 112131030111 its reverse (111030131211), we get a palindrome (223161161322).

The spelling of 112131030111 in words is "one hundred twelve billion, one hundred thirty-one million, thirty thousand, one hundred eleven".