22122200211111 has 192 divisors, whose sum is σ = 44168661089280. Its totient is φ = 10296645765120.

The previous prime is 22122200211047. The next prime is 22122200211127. The reversal of 22122200211111 is 11111200222122.

22122200211111 is a `hidden beast` number, since 22 + 122 + 200 + 211 + 111 = 666.

It is not a de Polignac number, because 22122200211111 - 2⁶ = 22122200211047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122200211161) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 139587331 + ... + 139745723.

It is an arithmetic number, because the mean of its divisors is an integer number (230045109840).

Almost surely, 2^{22122200211111} is an apocalyptic number.

22122200211111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22122200211111 is a deficient number, since it is larger than the sum of its proper divisors (22046460878169).

22122200211111 is a wasteful number, since it uses less digits than its factorization.

22122200211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158886 (or 158883 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22122200211111 its reverse (11111200222122), we get a palindrome (33233400433233).

The spelling of 22122200211111 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred million, two hundred eleven thousand, one hundred eleven".