2221322012311 has 4 divisors (see below), whose sum is σ = 2231283097792. Its totient is φ = 2211360926832.

The previous prime is 2221322012281. The next prime is 2221322012317. The reversal of 2221322012311 is 1132102231222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221322012311 - 2¹⁷ = 2221321881239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221322012317) 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, 4980542406 + ... + 4980542851.

It is an arithmetic number, because the mean of its divisors is an integer number (557820774448).

Almost surely, 2^{2221322012311} is an apocalyptic number.

2221322012311 is a deficient number, since it is larger than the sum of its proper divisors (9961085481).

2221322012311 is an equidigital number, since it uses as much as digits as its factorization.

2221322012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9961085480.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2221322012311 its reverse (1132102231222), we get a palindrome (3353424243533).

The spelling of 2221322012311 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-two million, twelve thousand, three hundred eleven".