11023220311 has 2 divisors, whose sum is σ = 11023220312. Its totient is φ = 11023220310.

The previous prime is 11023220303. The next prime is 11023220321. The reversal of 11023220311 is 11302232011.

11023220311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11023220311 - 2³ = 11023220303 is a prime.

It is a super-2 number, since 2×11023220311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11023220321) 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 as a sum of consecutive naturals, namely, 5511610155 + 5511610156.

It is an arithmetic number, because the mean of its divisors is an integer number (5511610156).

Almost surely, 2^11023220311 is an apocalyptic number.

11023220311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11023220311 is an equidigital number, since it uses as much as digits as its factorization.

11023220311 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11023220311 its reverse (11302232011), we get a palindrome (22325452322).

The spelling of 11023220311 in words is "eleven billion, twenty-three million, two hundred twenty thousand, three hundred eleven".