111302113311212 has 24 divisors (see below), whose sum is σ = 205030868528640. Its totient is φ = 52721884011600.

The previous prime is 111302113311187. The next prime is 111302113311253. The reversal of 111302113311212 is 212113311203111.

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, 23231837 + ... + 27610187.

It is an arithmetic number, because the mean of its divisors is an integer number (8542952855360).

Almost surely, 2^{111302113311212} is an apocalyptic number.

It is an amenable number.

111302113311212 is a deficient number, since it is larger than the sum of its proper divisors (93728755217428).

111302113311212 is a wasteful number, since it uses less digits than its factorization.

111302113311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712861 (or 4712859 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 111302113311212 its reverse (212113311203111), we get a palindrome (323415424514323).

The spelling of 111302113311212 in words is "one hundred eleven trillion, three hundred two billion, one hundred thirteen million, three hundred eleven thousand, two hundred twelve".