111213130311 has 12 divisors (see below), whose sum is σ = 161307752320. Its totient is φ = 73834441920.

The previous prime is 111213130291. The next prime is 111213130319. The reversal of 111213130311 is 113031312111.

111213130311 is a `hidden beast` number, since 1 + 11 + 213 + 130 + 311 = 666.

It is not a de Polignac number, because 111213130311 - 2²⁹ = 110676259399 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 (111213130319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25634791 + ... + 25639128.

Almost surely, 2^111213130311 is an apocalyptic number.

111213130311 is a deficient number, since it is larger than the sum of its proper divisors (50094622009).

111213130311 is a wasteful number, since it uses less digits than its factorization.

111213130311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51274166 (or 51274163 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111213130311 its reverse (113031312111), we get a palindrome (224244442422).

The spelling of 111213130311 in words is "one hundred eleven billion, two hundred thirteen million, one hundred thirty thousand, three hundred eleven".