22123030011 has 4 divisors (see below), whose sum is σ = 29497373352. Its totient is φ = 14748686672.

The previous prime is 22123029961. The next prime is 22123030031. The reversal of 22123030011 is 11003032122.

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

It is a cyclic number.

It is not a de Polignac number, because 22123030011 - 2¹⁷ = 22122898939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22123030031) 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 3 ways as a sum of consecutive naturals, for example, 3687171666 + ... + 3687171671.

It is an arithmetic number, because the mean of its divisors is an integer number (7374343338).

Almost surely, 2^22123030011 is an apocalyptic number.

22123030011 is a deficient number, since it is larger than the sum of its proper divisors (7374343341).

22123030011 is an equidigital number, since it uses as much as digits as its factorization.

22123030011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7374343340.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22123030011 its reverse (11003032122), we get a palindrome (33126062133).

The spelling of 22123030011 in words is "twenty-two billion, one hundred twenty-three million, thirty thousand, eleven".