12211032133331 has 4 divisors (see below), whose sum is σ = 12929328141192. Its totient is φ = 11492736125472.

The previous prime is 12211032133309. The next prime is 12211032133361. The reversal of 12211032133331 is 13333123011221.

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 12211032133331 - 2¹⁸ = 12211031871187 is a prime.

It is a super-2 number, since 2×12211032133331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12211032133331.

It is not an unprimeable number, because it can be changed into a prime (12211032133301) 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, 359148003905 + ... + 359148003938.

It is an arithmetic number, because the mean of its divisors is an integer number (3232332035298).

Almost surely, 2^{12211032133331} is an apocalyptic number.

12211032133331 is a deficient number, since it is larger than the sum of its proper divisors (718296007861).

12211032133331 is an equidigital number, since it uses as much as digits as its factorization.

12211032133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718296007860.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12211032133331 its reverse (13333123011221), we get a palindrome (25544155144552).

The spelling of 12211032133331 in words is "twelve trillion, two hundred eleven billion, thirty-two million, one hundred thirty-three thousand, three hundred thirty-one".