111130310212 has 12 divisors (see below), whose sum is σ = 194494015996. Its totient is φ = 55560591360.

The previous prime is 111130310149. The next prime is 111130310231. The reversal of 111130310212 is 212013031111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18491648256 + 92638661956 = 135984^2 + 304366^2 .

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, 1085853 + ... + 1183780.

Almost surely, 2^111130310212 is an apocalyptic number.

It is an amenable number.

111130310212 is a deficient number, since it is larger than the sum of its proper divisors (83363705784).

111130310212 is a wasteful number, since it uses less digits than its factorization.

111130310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281878 (or 2281876 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111130310212 its reverse (212013031111), we get a palindrome (323143341323).

The spelling of 111130310212 in words is "one hundred eleven billion, one hundred thirty million, three hundred ten thousand, two hundred twelve".