22320112011 has 4 divisors (see below), whose sum is σ = 29760149352. Its totient is φ = 14880074672.

The previous prime is 22320111943. The next prime is 22320112021. The reversal of 22320112011 is 11021102322.

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 22320112011 - 2¹⁰ = 22320110987 is a prime.

It is a super-3 number, since 3×22320112011³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22320112021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720018666 + ... + 3720018671.

It is an arithmetic number, because the mean of its divisors is an integer number (7440037338).

Almost surely, 2^22320112011 is an apocalyptic number.

22320112011 is a deficient number, since it is larger than the sum of its proper divisors (7440037341).

22320112011 is an equidigital number, since it uses as much as digits as its factorization.

22320112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440037340.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22320112011 its reverse (11021102322), we get a palindrome (33341214333).

The spelling of 22320112011 in words is "twenty-two billion, three hundred twenty million, one hundred twelve thousand, eleven".