111011122112022 has 96 divisors (see below), whose sum is σ = 271228800538080. Its totient is φ = 33630782169600.

The previous prime is 111011122112017. The next prime is 111011122112057. The reversal of 111011122112022 is 220211221110111.

It is a happy number.

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 = 111011122111986 and 111011122112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22315698 + ... + 26833050.

It is an arithmetic number, because the mean of its divisors is an integer number (2825300005605).

Almost surely, 2^{111011122112022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111011122112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135614400269040).

111011122112022 is an abundant number, since it is smaller than the sum of its proper divisors (160217678426058).

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

111011122112022 is a wasteful number, since it uses less digits than its factorization.

111011122112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521147 (or 4521130 counting only the distinct ones).

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

Adding to 111011122112022 its reverse (220211221110111), we get a palindrome (331222343222133).

The spelling of 111011122112022 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, one hundred twelve thousand, twenty-two".