11222022111222 has 64 divisors (see below), whose sum is σ = 24285283900416. Its totient is φ = 3436558254720.

The previous prime is 11222022111203. The next prime is 11222022111239. The reversal of 11222022111222 is 22211122022211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21549072 + ... + 22063692.

It is an arithmetic number, because the mean of its divisors is an integer number (379457560944).

Almost surely, 2^{11222022111222} is an apocalyptic number.

11222022111222 is an abundant number, since it is smaller than the sum of its proper divisors (13063261789194).

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

11222022111222 is a wasteful number, since it uses less digits than its factorization.

11222022111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515965.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11222022111222 its reverse (22211122022211), we get a palindrome (33433144133433).

The spelling of 11222022111222 in words is "eleven trillion, two hundred twenty-two billion, twenty-two million, one hundred eleven thousand, two hundred twenty-two".