22111100255 has 16 divisors (see below), whose sum is σ = 28037422080. Its totient is φ = 16705616928.

The previous prime is 22111100251. The next prime is 22111100273. The reversal of 22111100255 is 55200111122.

It is a cyclic number.

It is not a de Polignac number, because 22111100255 - 2² = 22111100251 is a prime.

It is a super-2 number, since 2×22111100255² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111100251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207817 + ... + 1225986.

It is an arithmetic number, because the mean of its divisors is an integer number (1752338880).

Almost surely, 2^22111100255 is an apocalyptic number.

22111100255 is a deficient number, since it is larger than the sum of its proper divisors (5926321825).

22111100255 is a wasteful number, since it uses less digits than its factorization.

22111100255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433910.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 22111100255 its reverse (55200111122), we get a palindrome (77311211377).

The spelling of 22111100255 in words is "twenty-two billion, one hundred eleven million, one hundred thousand, two hundred fifty-five".