22111100199 has 24 divisors (see below), whose sum is σ = 33925728720. Its totient is φ = 14232417696.

The previous prime is 22111100149. The next prime is 22111100203. The reversal of 22111100199 is 99100111122.

It is not a de Polignac number, because 22111100199 - 2¹⁵ = 22111067431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111100119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464172 + ... + 509585.

It is an arithmetic number, because the mean of its divisors is an integer number (1413572030).

Almost surely, 2^22111100199 is an apocalyptic number.

22111100199 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22111100199 is a deficient number, since it is larger than the sum of its proper divisors (11814628521).

22111100199 is an equidigital number, since it uses as much as digits as its factorization.

22111100199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973824 (or 973789 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 22111100199 in words is "twenty-two billion, one hundred eleven million, one hundred thousand, one hundred ninety-nine".