111320211213 has 12 divisors (see below), whose sum is σ = 160898494848. Its totient is φ = 74166104520.

The previous prime is 111320211199. The next prime is 111320211341. The reversal of 111320211213 is 312112023111.

111320211213 is a `hidden beast` number, since 111 + 320 + 21 + 1 + 213 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-111320211213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111320211413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3932583 + ... + 3960788.

It is an arithmetic number, because the mean of its divisors is an integer number (13408207904).

Almost surely, 2^111320211213 is an apocalyptic number.

It is an amenable number.

111320211213 is a deficient number, since it is larger than the sum of its proper divisors (49578283635).

111320211213 is a wasteful number, since it uses less digits than its factorization.

111320211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894944 (or 7894941 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111320211213 its reverse (312112023111), we get a palindrome (423432234324).

The spelling of 111320211213 in words is "one hundred eleven billion, three hundred twenty million, two hundred eleven thousand, two hundred thirteen".