12211221221133 has 16 divisors (see below), whose sum is σ = 17761939200000. Its totient is φ = 7400672268080.

The previous prime is 12211221221131. The next prime is 12211221221141. The reversal of 12211221221133 is 33112212211221.

It is a cyclic number.

It is not a de Polignac number, because 12211221221133 - 2¹ = 12211221221131 is a prime.

It is a super-2 number, since 2×12211221221133² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211221221131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2082118 + ... + 5362616.

It is an arithmetic number, because the mean of its divisors is an integer number (1110121200000).

Almost surely, 2^{12211221221133} is an apocalyptic number.

It is an amenable number.

12211221221133 is a deficient number, since it is larger than the sum of its proper divisors (5550717978867).

12211221221133 is a wasteful number, since it uses less digits than its factorization.

12211221221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393312.

The product of its digits is 576, while the sum is 24.

Adding to 12211221221133 its reverse (33112212211221), we get a palindrome (45323433432354).

The spelling of 12211221221133 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty-three".