111222233212113 has 40 divisors (see below), whose sum is σ = 167117484606336. Its totient is φ = 73715725792800.

The previous prime is 111222233212063. The next prime is 111222233212157. The reversal of 111222233212113 is 311212332222111.

111222233212113 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 2 + 223 + 321 + 2 + 113 = 666.

It is not a de Polignac number, because 111222233212113 - 2⁸ = 111222233211857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (111222233212613) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11998195 + ... + 19141607.

Almost surely, 2^{111222233212113} is an apocalyptic number.

It is an amenable number.

111222233212113 is a deficient number, since it is larger than the sum of its proper divisors (55895251394223).

111222233212113 is an equidigital number, since it uses as much as digits as its factorization.

111222233212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144547 (or 7144538 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 111222233212113 its reverse (311212332222111), we get a palindrome (422434565434224).

The spelling of 111222233212113 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred thirty-three million, two hundred twelve thousand, one hundred thirteen".