12211701311 has 4 divisors (see below), whose sum is σ = 12216547824. Its totient is φ = 12206854800.

The previous prime is 12211701301. The next prime is 12211701317. The reversal of 12211701311 is 11310711221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11310711221 = 68507 ⋅165103.

It is a cyclic number.

It is not a de Polignac number, because 12211701311 - 2²² = 12207507007 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 (12211701317) 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, 2419475 + ... + 2424516.

It is an arithmetic number, because the mean of its divisors is an integer number (3054136956).

Almost surely, 2^12211701311 is an apocalyptic number.

12211701311 is a deficient number, since it is larger than the sum of its proper divisors (4846513).

12211701311 is an equidigital number, since it uses as much as digits as its factorization.

12211701311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846512.

The product of its (nonzero) digits is 84, while the sum is 20.

The spelling of 12211701311 in words is "twelve billion, two hundred eleven million, seven hundred one thousand, three hundred eleven".