22112011011 has 4 divisors (see below), whose sum is σ = 29482681352. Its totient is φ = 14741340672.

The previous prime is 22112011001. The next prime is 22112011013. The reversal of 22112011011 is 11011021122.

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

It is not a de Polignac number, because 22112011011 - 2⁹ = 22112010499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112011013) 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, 3685335166 + ... + 3685335171.

It is an arithmetic number, because the mean of its divisors is an integer number (7370670338).

Almost surely, 2^22112011011 is an apocalyptic number.

22112011011 is a deficient number, since it is larger than the sum of its proper divisors (7370670341).

22112011011 is an equidigital number, since it uses as much as digits as its factorization.

22112011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370670340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22112011011 its reverse (11011021122), we get a palindrome (33123032133).

The spelling of 22112011011 in words is "twenty-two billion, one hundred twelve million, eleven thousand, eleven".