11222022222111 has 16 divisors (see below), whose sum is σ = 15716647319040. Its totient is φ = 7108680928800.

The previous prime is 11222022222107. The next prime is 11222022222113. The reversal of 11222022222111 is 11122222022211.

It is not a de Polignac number, because 11222022222111 - 2² = 11222022222107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222022222113) 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 15 ways as a sum of consecutive naturals, for example, 538526016 + ... + 538546853.

It is an arithmetic number, because the mean of its divisors is an integer number (982290457440).

Almost surely, 2^{11222022222111} is an apocalyptic number.

11222022222111 is a deficient number, since it is larger than the sum of its proper divisors (4494625096929).

11222022222111 is a wasteful number, since it uses less digits than its factorization.

11222022222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077073046.

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

Adding to 11222022222111 its reverse (11122222022211), we get a palindrome (22344244244322).

The spelling of 11222022222111 in words is "eleven trillion, two hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, one hundred eleven".