111120211211022 has 128 divisors (see below), whose sum is σ = 280834094822400. Its totient is φ = 32310248395392.

The previous prime is 111120211211011. The next prime is 111120211211041. The reversal of 111120211211022 is 220112112021111.

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 = 111120211210986 and 111120211211004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40118997 + ... + 42799232.

It is an arithmetic number, because the mean of its divisors is an integer number (2194016365800).

Almost surely, 2^{111120211211022} is an apocalyptic number.

111120211211022 is an abundant number, since it is smaller than the sum of its proper divisors (169713883611378).

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

111120211211022 is a wasteful number, since it uses less digits than its factorization.

111120211211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82918359 (or 82918353 counting only the distinct ones).

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

Adding to 111120211211022 its reverse (220112112021111), we get a palindrome (331232323232133).

The spelling of 111120211211022 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred eleven million, two hundred eleven thousand, twenty-two".