22011111011 has 2 divisors, whose sum is σ = 22011111012. Its totient is φ = 22011111010.

The previous prime is 22011110987. The next prime is 22011111019. The reversal of 22011111011 is 11011111022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22011111011 - 2³⁴ = 4831241827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011110983 and 22011111001.

It is not a weakly prime, because it can be changed into another prime (22011111019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005555505 + 11005555506.

It is an arithmetic number, because the mean of its divisors is an integer number (11005555506).

Almost surely, 2^22011111011 is an apocalyptic number.

22011111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011111011 is an equidigital number, since it uses as much as digits as its factorization.

22011111011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 22011111011 its sum of digits (11), we get a palindrome (22011111022).

Adding to 22011111011 its reverse (11011111022), we get a palindrome (33022222033).

The spelling of 22011111011 in words is "twenty-two billion, eleven million, one hundred eleven thousand, eleven".