22111011111122 has 4 divisors (see below), whose sum is σ = 33166516666686. Its totient is φ = 11055505555560.

The previous prime is 22111011111103. The next prime is 22111011111131. The reversal of 22111011111122 is 22111111011122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18897026279041 + 3213984832081 = 4347071^2 + 1792759^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22111011111122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527752777779 + ... + 5527752777782.

Almost surely, 2^{22111011111122} is an apocalyptic number.

22111011111122 is a deficient number, since it is larger than the sum of its proper divisors (11055505555564).

22111011111122 is a wasteful number, since it uses less digits than its factorization.

22111011111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055505555563.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 22111011111122 its reverse (22111111011122), we get a palindrome (44222122122244).

The spelling of 22111011111122 in words is "twenty-two trillion, one hundred eleven billion, eleven million, one hundred eleven thousand, one hundred twenty-two".