111222011022 has 32 divisors (see below), whose sum is σ = 224900928000. Its totient is φ = 36666751968.

The previous prime is 111222010997. The next prime is 111222011023. The reversal of 111222011022 is 220110222111.

It is a junction number, because it is equal to n+sod(n) for n = 111222010992 and 111222011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222011023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79497 + ... + 478292.

It is an arithmetic number, because the mean of its divisors is an integer number (7028154000).

Almost surely, 2^111222011022 is an apocalyptic number.

111222011022 is an abundant number, since it is smaller than the sum of its proper divisors (113678916978).

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

111222011022 is a wasteful number, since it uses less digits than its factorization.

111222011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558160.

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

Adding to 111222011022 its reverse (220110222111), we get a palindrome (331332233133).

The spelling of 111222011022 in words is "one hundred eleven billion, two hundred twenty-two million, eleven thousand, twenty-two".