12002113221311 has 4 divisors (see below), whose sum is σ = 12032043678624. Its totient is φ = 11972182764000.

The previous prime is 12002113221247. The next prime is 12002113221353. The reversal of 12002113221311 is 11312231120021.

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 12002113221311 - 2⁶ = 12002113221247 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 (12002113220311) 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, 14965228055 + ... + 14965228856.

It is an arithmetic number, because the mean of its divisors is an integer number (3008010919656).

Almost surely, 2^{12002113221311} is an apocalyptic number.

12002113221311 is a deficient number, since it is larger than the sum of its proper divisors (29930457313).

12002113221311 is an equidigital number, since it uses as much as digits as its factorization.

12002113221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29930457312.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12002113221311 its reverse (11312231120021), we get a palindrome (23314344341332).

The spelling of 12002113221311 in words is "twelve trillion, two billion, one hundred thirteen million, two hundred twenty-one thousand, three hundred eleven".