111101112212022 has 48 divisors (see below), whose sum is σ = 243059421067008. Its totient is φ = 36673660718640.

The previous prime is 111101112212009. The next prime is 111101112212023. The reversal of 111101112212022 is 220212211101111.

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 = 111101112211986 and 111101112212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101112212023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153452247 + ... + 154174557.

It is an arithmetic number, because the mean of its divisors is an integer number (5063737938896).

Almost surely, 2^{111101112212022} is an apocalyptic number.

111101112212022 is an abundant number, since it is smaller than the sum of its proper divisors (131958308854986).

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

111101112212022 is a wasteful number, since it uses less digits than its factorization.

111101112212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805385 (or 805382 counting only the distinct ones).

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

Adding to 111101112212022 its reverse (220212211101111), we get a palindrome (331313323313133).

The spelling of 111101112212022 in words is "one hundred eleven trillion, one hundred one billion, one hundred twelve million, two hundred twelve thousand, twenty-two".