111211022022 has 16 divisors (see below), whose sum is σ = 224500756032. Its totient is φ = 36723888680.

The previous prime is 111211022009. The next prime is 111211022029. The reversal of 111211022022 is 220220112111.

It is a junction number, because it is equal to n+sod(n) for n = 111211021992 and 111211022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211022029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86612304 + ... + 86613587.

It is an arithmetic number, because the mean of its divisors is an integer number (14031297252).

Almost surely, 2^111211022022 is an apocalyptic number.

111211022022 is an abundant number, since it is smaller than the sum of its proper divisors (113289734010).

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

111211022022 is a wasteful number, since it uses less digits than its factorization.

111211022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173226003.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111211022022 its reverse (220220112111), we get a palindrome (331431134133).

The spelling of 111211022022 in words is "one hundred eleven billion, two hundred eleven million, twenty-two thousand, twenty-two".