111122202011122 has 16 divisors (see below), whose sum is σ = 167411628581400. Its totient is φ = 55318687361152.

The previous prime is 111122202011077. The next prime is 111122202011123. The reversal of 111122202011122 is 221110202221111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 103058413829361 + 8063788181761 = 10151769^2 + 2839681^2 .

It is a super-2 number, since 2×111122202011122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111122202011122.

It is not an unprimeable number, because it can be changed into a prime (111122202011123) 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, 89770573 + ... + 91000000.

Almost surely, 2^{111122202011122} is an apocalyptic number.

111122202011122 is a deficient number, since it is larger than the sum of its proper divisors (56289426570278).

111122202011122 is a wasteful number, since it uses less digits than its factorization.

111122202011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180771917.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111122202011122 its reverse (221110202221111), we get a palindrome (332232404232233).

The spelling of 111122202011122 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred two million, eleven thousand, one hundred twenty-two".