12220331301311 has 4 divisors (see below), whose sum is σ = 13966092915792. Its totient is φ = 10474569686832.

The previous prime is 12220331301187. The next prime is 12220331301349. The reversal of 12220331301311 is 11310313302221.

12220331301311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220331301311 is a prime.

It is a super-2 number, since 2×12220331301311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220331301371) 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, 872880807230 + ... + 872880807243.

It is an arithmetic number, because the mean of its divisors is an integer number (3491523228948).

Almost surely, 2^{12220331301311} is an apocalyptic number.

12220331301311 is a deficient number, since it is larger than the sum of its proper divisors (1745761614481).

12220331301311 is an equidigital number, since it uses as much as digits as its factorization.

12220331301311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745761614480.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12220331301311 its reverse (11310313302221), we get a palindrome (23530644603532).

The spelling of 12220331301311 in words is "twelve trillion, two hundred twenty billion, three hundred thirty-one million, three hundred one thousand, three hundred eleven".