12320221001311 has 2 divisors, whose sum is σ = 12320221001312. Its totient is φ = 12320221001310.

The previous prime is 12320221001281. The next prime is 12320221001323. The reversal of 12320221001311 is 11310012202321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12320221001311 - 2²¹ = 12320218904159 is a prime.

It is a super-2 number, since 2×12320221001311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320221001351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160110500655 + 6160110500656.

It is an arithmetic number, because the mean of its divisors is an integer number (6160110500656).

Almost surely, 2^{12320221001311} is an apocalyptic number.

12320221001311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320221001311 is an equidigital number, since it uses as much as digits as its factorization.

12320221001311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12320221001311 its reverse (11310012202321), we get a palindrome (23630233203632).

The spelling of 12320221001311 in words is "twelve trillion, three hundred twenty billion, two hundred twenty-one million, one thousand, three hundred eleven".