111112021211022 has 24 divisors (see below), whose sum is σ = 259261382826264. Its totient is φ = 34188314218704.

The previous prime is 111112021211021. The next prime is 111112021211047. The reversal of 111112021211022 is 220112120211111.

It is a happy number.

111112021211022 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 = 111112021210986 and 111112021211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112021211021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237418848508 + ... + 237418848975.

It is an arithmetic number, because the mean of its divisors is an integer number (10802557617761).

Almost surely, 2^{111112021211022} is an apocalyptic number.

111112021211022 is an abundant number, since it is smaller than the sum of its proper divisors (148149361615242).

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

111112021211022 is a wasteful number, since it uses less digits than its factorization.

111112021211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474837697504 (or 474837697501 counting only the distinct ones).

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

Adding to 111112021211022 its reverse (220112120211111), we get a palindrome (331224141422133).

The spelling of 111112021211022 in words is "one hundred eleven trillion, one hundred twelve billion, twenty-one million, two hundred eleven thousand, twenty-two".