111323112210 has 40 divisors (see below), whose sum is σ = 299335481676. Its totient is φ = 29686163040.

The previous prime is 111323112209. The next prime is 111323112227. The reversal of 111323112210 is 12211323111.

111323112210 is a `hidden beast` number, since 1 + 1 + 132 + 311 + 221 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97031627001 + 14291485209 = 311499^2 + 119547^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68717161 + ... + 68718780.

Almost surely, 2^111323112210 is an apocalyptic number.

111323112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111323112210 is an abundant number, since it is smaller than the sum of its proper divisors (188012369466).

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

111323112210 is a wasteful number, since it uses less digits than its factorization.

111323112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137435960 (or 137435951 counting only the distinct ones).

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

Adding to 111323112210 its reverse (12211323111), we get a palindrome (123534435321).

The spelling of 111323112210 in words is "one hundred eleven billion, three hundred twenty-three million, one hundred twelve thousand, two hundred ten".