111032222121 has 8 divisors (see below), whose sum is σ = 164492180960. Its totient is φ = 74021481396.

The previous prime is 111032222107. The next prime is 111032222129. The reversal of 111032222121 is 121222230111.

It is not a de Polignac number, because 111032222121 - 2⁵ = 111032222089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111032222094 and 111032222103.

It is not an unprimeable number, because it can be changed into a prime (111032222129) 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, 2056152235 + ... + 2056152288.

It is an arithmetic number, because the mean of its divisors is an integer number (20561522620).

Almost surely, 2^111032222121 is an apocalyptic number.

It is an amenable number.

111032222121 is a deficient number, since it is larger than the sum of its proper divisors (53459958839).

111032222121 is an equidigital number, since it uses as much as digits as its factorization.

111032222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112304532 (or 4112304526 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111032222121 its reverse (121222230111), we get a palindrome (232254452232).

The spelling of 111032222121 in words is "one hundred eleven billion, thirty-two million, two hundred twenty-two thousand, one hundred twenty-one".