111130311222 has 48 divisors (see below), whose sum is σ = 275200353792. Its totient is φ = 31749148080.

The previous prime is 111130311217. The next prime is 111130311247. The reversal of 111130311222 is 222113031111.

111130311222 is a `hidden beast` number, since 1 + 1 + 1 + 130 + 311 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111130311195 and 111130311204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2336563 + ... + 2383649.

It is an arithmetic number, because the mean of its divisors is an integer number (5733340704).

Almost surely, 2^111130311222 is an apocalyptic number.

111130311222 is an abundant number, since it is smaller than the sum of its proper divisors (164070042570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111130311222 is a wasteful number, since it uses less digits than its factorization.

111130311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65833 (or 65830 counting only the distinct ones).

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

Adding to 111130311222 its reverse (222113031111), we get a palindrome (333243342333).

The spelling of 111130311222 in words is "one hundred eleven billion, one hundred thirty million, three hundred eleven thousand, two hundred twenty-two".