22112011221111 has 96 divisors (see below), whose sum is σ = 38677392000000. Its totient is φ = 11891505106944.

The previous prime is 22112011221049. The next prime is 22112011221121. The reversal of 22112011221111 is 11112211021122.

It is a happy number.

22112011221111 is a `hidden beast` number, since 221 + 120 + 112 + 211 + 1 + 1 = 666.

It is not a de Polignac number, because 22112011221111 - 2¹⁰ = 22112011220087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112011221121) 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 95 ways as a sum of consecutive naturals, for example, 163726390 + ... + 163861388.

It is an arithmetic number, because the mean of its divisors is an integer number (402889500000).

Almost surely, 2^{22112011221111} is an apocalyptic number.

22112011221111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22112011221111 is a deficient number, since it is larger than the sum of its proper divisors (16565380778889).

22112011221111 is a wasteful number, since it uses less digits than its factorization.

22112011221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135933 (or 135930 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 22112011221111 its reverse (11112211021122), we get a palindrome (33224222242233).

The spelling of 22112011221111 in words is "twenty-two trillion, one hundred twelve billion, eleven million, two hundred twenty-one thousand, one hundred eleven".