2211133133221 has 32 divisors (see below), whose sum is σ = 2275605964800. Its totient is φ = 2147852980416.

The previous prime is 2211133133201. The next prime is 2211133133269. The reversal of 2211133133221 is 1223313311122.

It is a cyclic number.

It is not a de Polignac number, because 2211133133221 - 2²⁵ = 2211099578789 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 (2211133133201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159481550 + ... + 1159483456.

It is an arithmetic number, because the mean of its divisors is an integer number (71112686400).

Almost surely, 2^{2211133133221} is an apocalyptic number.

It is an amenable number.

2211133133221 is a deficient number, since it is larger than the sum of its proper divisors (64472831579).

2211133133221 is a wasteful number, since it uses less digits than its factorization.

2211133133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its digits is 1296, while the sum is 25.

Adding to 2211133133221 its reverse (1223313311122), we get a palindrome (3434446444343).

The spelling of 2211133133221 in words is "two trillion, two hundred eleven billion, one hundred thirty-three million, one hundred thirty-three thousand, two hundred twenty-one".