111211102112022 has 96 divisors (see below), whose sum is σ = 265875226066944. Its totient is φ = 33315989212800.

The previous prime is 111211102112021. The next prime is 111211102112023. The reversal of 111211102112022 is 220211201112111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111211102112021) and next prime (111211102112023).

It is a super-3 number, since 3×111211102112022³ (a number of 43 digits) contains 333 as substring.

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 = 111211102111986 and 111211102112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211102112021) 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, 803398 + ... + 14935449.

It is an arithmetic number, because the mean of its divisors is an integer number (2769533604864).

Almost surely, 2^{111211102112022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111211102112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132937613033472).

111211102112022 is an abundant number, since it is smaller than the sum of its proper divisors (154664123954922).

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

111211102112022 is a wasteful number, since it uses less digits than its factorization.

111211102112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739274 (or 15739271 counting only the distinct ones).

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

Adding to 111211102112022 its reverse (220211201112111), we get a palindrome (331422303224133).

The spelling of 111211102112022 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred two million, one hundred twelve thousand, twenty-two".