23221334111 has 4 divisors (see below), whose sum is σ = 24022069800. Its totient is φ = 22420598424.

The previous prime is 23221334033. The next prime is 23221334131. The reversal of 23221334111 is 11143312232.

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 23221334111 - 2³⁴ = 6041464927 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 (23221334131) 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, 400367801 + ... + 400367858.

It is an arithmetic number, because the mean of its divisors is an integer number (6005517450).

Almost surely, 2^23221334111 is an apocalyptic number.

23221334111 is a deficient number, since it is larger than the sum of its proper divisors (800735689).

23221334111 is an equidigital number, since it uses as much as digits as its factorization.

23221334111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800735688.

The product of its digits is 864, while the sum is 23.

Adding to 23221334111 its reverse (11143312232), we get a palindrome (34364646343).

The spelling of 23221334111 in words is "twenty-three billion, two hundred twenty-one million, three hundred thirty-four thousand, one hundred eleven".