2122023311 has 2 divisors, whose sum is σ = 2122023312. Its totient is φ = 2122023310.

The previous prime is 2122023307. The next prime is 2122023331. The reversal of 2122023311 is 1133202212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122023311 - 2² = 2122023307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122023311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122023331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061011655 + 1061011656.

It is an arithmetic number, because the mean of its divisors is an integer number (1061011656).

Almost surely, 2^2122023311 is an apocalyptic number.

2122023311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122023311 is an equidigital number, since it uses as much as digits as its factorization.

2122023311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2122023311 is about 46065.4242463911. The cubic root of 2122023311 is about 1285.0402084851.

Adding to 2122023311 its reverse (1133202212), we get a palindrome (3255225523).

The spelling of 2122023311 in words is "two billion, one hundred twenty-two million, twenty-three thousand, three hundred eleven".