111310323212 has 24 divisors (see below), whose sum is σ = 217684493712. Its totient is φ = 49361561600.

The previous prime is 111310323209. The next prime is 111310323227. The reversal of 111310323212 is 212323013111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30849173 + ... + 30852780.

It is an arithmetic number, because the mean of its divisors is an integer number (9070187238).

Almost surely, 2^111310323212 is an apocalyptic number.

It is an amenable number.

111310323212 is a deficient number, since it is larger than the sum of its proper divisors (106374170500).

111310323212 is a wasteful number, since it uses less digits than its factorization.

111310323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61702009 (or 61702007 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111310323212 its reverse (212323013111), we get a palindrome (323633336323).

The spelling of 111310323212 in words is "one hundred eleven billion, three hundred ten million, three hundred twenty-three thousand, two hundred twelve".