1111121123222 has 16 divisors (see below), whose sum is σ = 1834288455312. Its totient is φ = 500585541120.

The previous prime is 1111121123221. The next prime is 1111121123269. The reversal of 1111121123222 is 2223211211111.

It is a super-2 number, since 2×1111121123222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111121123194 and 1111121123203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111121123221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223473203 + ... + 223478174.

It is an arithmetic number, because the mean of its divisors is an integer number (114643028457).

Almost surely, 2^{1111121123222} is an apocalyptic number.

1111121123222 is a deficient number, since it is larger than the sum of its proper divisors (723167332090).

1111121123222 is a wasteful number, since it uses less digits than its factorization.

1111121123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446951503.

The product of its digits is 96, while the sum is 20.

Adding to 1111121123222 its reverse (2223211211111), we get a palindrome (3334332334333).

The spelling of 1111121123222 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred twenty-two".