22011323011 has 2 divisors, whose sum is σ = 22011323012. Its totient is φ = 22011323010.

The previous prime is 22011322999. The next prime is 22011323027. The reversal of 22011323011 is 11032311022.

It is an a-pointer prime, because the next prime (22011323027) can be obtained adding 22011323011 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22011323011 - 2⁵ = 22011322979 is a prime.

It is a super-2 number, since 2×22011323011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22011323041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005661505 + 11005661506.

It is an arithmetic number, because the mean of its divisors is an integer number (11005661506).

Almost surely, 2^22011323011 is an apocalyptic number.

22011323011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011323011 is an equidigital number, since it uses as much as digits as its factorization.

22011323011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22011323011 its reverse (11032311022), we get a palindrome (33043634033).

The spelling of 22011323011 in words is "twenty-two billion, eleven million, three hundred twenty-three thousand, eleven".