111320423212 has 12 divisors (see below), whose sum is σ = 194833928016. Its totient is φ = 55653586640.

The previous prime is 111320423153. The next prime is 111320423233. The reversal of 111320423212 is 212324023111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618339 + ... + 1685722.

It is an arithmetic number, because the mean of its divisors is an integer number (16236160668).

Almost surely, 2^111320423212 is an apocalyptic number.

It is an amenable number.

111320423212 is a deficient number, since it is larger than the sum of its proper divisors (83513504804).

111320423212 is a wasteful number, since it uses less digits than its factorization.

111320423212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312488 (or 3312486 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 111320423212 its reverse (212324023111), we get a palindrome (323644446323).

The spelling of 111320423212 in words is "one hundred eleven billion, three hundred twenty million, four hundred twenty-three thousand, two hundred twelve".