111122022111222 has 64 divisors (see below), whose sum is σ = 239406048288000. Its totient is φ = 34271589276288.

The previous prime is 111122022111197. The next prime is 111122022111229. The reversal of 111122022111222 is 222111220221111.

It is a super-2 number, since 2×111122022111222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122022111229) 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, 47028604 + ... + 49334912.

It is an arithmetic number, because the mean of its divisors is an integer number (3740719504500).

Almost surely, 2^{111122022111222} is an apocalyptic number.

111122022111222 is an abundant number, since it is smaller than the sum of its proper divisors (128284026176778).

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

111122022111222 is a wasteful number, since it uses less digits than its factorization.

111122022111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316205.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111122022111222 its reverse (222111220221111), we get a palindrome (333233242332333).

The spelling of 111122022111222 in words is "one hundred eleven trillion, one hundred twenty-two billion, twenty-two million, one hundred eleven thousand, two hundred twenty-two".