111121112022 has 32 divisors (see below), whose sum is σ = 227060662272. Its totient is φ = 36245289024.

The previous prime is 111121112009. The next prime is 111121112027. The reversal of 111121112022 is 220211121111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111121111992 and 111121112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121112027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943198 + ... + 1054449.

It is an arithmetic number, because the mean of its divisors is an integer number (7095645696).

Almost surely, 2^111121112022 is an apocalyptic number.

111121112022 is an abundant number, since it is smaller than the sum of its proper divisors (115939550250).

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

111121112022 is a wasteful number, since it uses less digits than its factorization.

111121112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997852.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111121112022 its reverse (220211121111), we get a palindrome (331332233133).

The spelling of 111121112022 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred twelve thousand, twenty-two".