22111000133 has 4 divisors (see below), whose sum is σ = 22115230668. Its totient is φ = 22106769600.

The previous prime is 22111000129. The next prime is 22111000151. The reversal of 22111000133 is 33100011122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21474850849 + 636149284 = 146543^2 + 25222^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111000133 - 2² = 22111000129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111000333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107418 + ... + 2117883.

It is an arithmetic number, because the mean of its divisors is an integer number (5528807667).

Almost surely, 2^22111000133 is an apocalyptic number.

It is an amenable number.

22111000133 is a deficient number, since it is larger than the sum of its proper divisors (4230535).

22111000133 is an equidigital number, since it uses as much as digits as its factorization.

22111000133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230534.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 22111000133 its reverse (33100011122), we get a palindrome (55211011255).

The spelling of 22111000133 in words is "twenty-two billion, one hundred eleven million, one hundred thirty-three", and thus it is an aban number.