222011111122 has 4 divisors (see below), whose sum is σ = 333016666686. Its totient is φ = 111005555560.

The previous prime is 222011111111. The next prime is 222011111129. The reversal of 222011111122 is 221111110222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221111110222 = 2 ⋅110555555111.

It can be written as a sum of positive squares in only one way, i.e., 220647212361 + 1363898761 = 469731^2 + 36931^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222011111096 and 222011111105.

It is not an unprimeable number, because it can be changed into a prime (222011111129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502777779 + ... + 55502777782.

Almost surely, 2^222011111122 is an apocalyptic number.

222011111122 is a deficient number, since it is larger than the sum of its proper divisors (111005555564).

222011111122 is a wasteful number, since it uses less digits than its factorization.

222011111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111005555563.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222011111122 its reverse (221111110222), we get a palindrome (443122221344).

The spelling of 222011111122 in words is "two hundred twenty-two billion, eleven million, one hundred eleven thousand, one hundred twenty-two".