111011212112202 has 96 divisors (see below), whose sum is σ = 255358741164480. Its totient is φ = 35743766544000.

The previous prime is 111011212112201. The next prime is 111011212112239. The reversal of 111011212112202 is 202211212110111.

It is a happy number.

111011212112202 is a `hidden beast` number, since 1 + 110 + 1 + 121 + 211 + 220 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (111011212112201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3114013 + ... + 15222335.

It is an arithmetic number, because the mean of its divisors is an integer number (2659986887130).

Almost surely, 2^{111011212112202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111011212112202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127679370582240).

111011212112202 is an abundant number, since it is smaller than the sum of its proper divisors (144347529052278).

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

111011212112202 is a wasteful number, since it uses less digits than its factorization.

111011212112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12108517 (or 12108470 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111011212112202 its reverse (202211212110111), we get a palindrome (313222424222313).

The spelling of 111011212112202 in words is "one hundred eleven trillion, eleven billion, two hundred twelve million, one hundred twelve thousand, two hundred two".