111122120022 has 64 divisors (see below), whose sum is σ = 234514704384. Its totient is φ = 35067294080.

The previous prime is 111122120003. The next prime is 111122120023. The reversal of 111122120022 is 220021221111.

It is a junction number, because it is equal to n+sod(n) for n = 111122119983 and 111122120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122120023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1008808 + ... + 1113524.

It is an arithmetic number, because the mean of its divisors is an integer number (3664292256).

Almost surely, 2^111122120022 is an apocalyptic number.

111122120022 is an abundant number, since it is smaller than the sum of its proper divisors (123392584362).

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

111122120022 is a wasteful number, since it uses less digits than its factorization.

111122120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104893.

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

Adding to 111122120022 its reverse (220021221111), we get a palindrome (331143341133).

The spelling of 111122120022 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, twenty-two".