22111111099 has 32 divisors (see below), whose sum is σ = 27882602496. Its totient is φ = 17033224320.

The previous prime is 22111111097. The next prime is 22111111123. The reversal of 22111111099 is 99011111122.

It is a happy number.

It is not a de Polignac number, because 22111111099 - 2¹ = 22111111097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22111111093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2861389 + ... + 2869105.

It is an arithmetic number, because the mean of its divisors is an integer number (871331328).

Almost surely, 2^22111111099 is an apocalyptic number.

22111111099 is a deficient number, since it is larger than the sum of its proper divisors (5771491397).

22111111099 is a wasteful number, since it uses less digits than its factorization.

22111111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 22111111099 in words is "twenty-two billion, one hundred eleven million, one hundred eleven thousand, ninety-nine".