111222255394692 has 480 divisors, whose sum is σ = 318490930192512. Its totient is φ = 33641069174784.

The previous prime is 111222255394651. The next prime is 111222255394693. The reversal of 111222255394692 is 296493552222111.

111222255394692 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 2 + 22 + 553 + 9 + 4 + 69 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (111222255394693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 48505125498 + ... + 48505127790.

Almost surely, 2^{111222255394692} is an apocalyptic number.

111222255394692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111222255394692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159245465096256).

111222255394692 is an abundant number, since it is smaller than the sum of its proper divisors (207268674797820).

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

111222255394692 is a wasteful number, since it uses less digits than its factorization.

111222255394692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169 (or 3158 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 111222255394692 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred fifty-five million, three hundred ninety-four thousand, six hundred ninety-two".