12213201101311 has 4 divisors (see below), whose sum is σ = 13957944115792. Its totient is φ = 10468458086832.

The previous prime is 12213201101303. The next prime is 12213201101341. The reversal of 12213201101311 is 11310110231221.

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 12213201101311 - 2³ = 12213201101303 is a prime.

It is a super-2 number, since 2×12213201101311² (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 (12213201101341) 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, 872371507230 + ... + 872371507243.

It is an arithmetic number, because the mean of its divisors is an integer number (3489486028948).

Almost surely, 2^{12213201101311} is an apocalyptic number.

12213201101311 is a deficient number, since it is larger than the sum of its proper divisors (1744743014481).

12213201101311 is an equidigital number, since it uses as much as digits as its factorization.

12213201101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744743014480.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12213201101311 its reverse (11310110231221), we get a palindrome (23523311332532).

The spelling of 12213201101311 in words is "twelve trillion, two hundred thirteen billion, two hundred one million, one hundred one thousand, three hundred eleven".