2133322211221 has 4 divisors (see below), whose sum is σ = 2182934355712. Its totient is φ = 2083710066732.

The previous prime is 2133322211219. The next prime is 2133322211231. The reversal of 2133322211221 is 1221122233312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2133322211221 - 2¹ = 2133322211219 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 (2133322211231) 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, 24806072181 + ... + 24806072266.

It is an arithmetic number, because the mean of its divisors is an integer number (545733588928).

Almost surely, 2^{2133322211221} is an apocalyptic number.

It is an amenable number.

2133322211221 is a deficient number, since it is larger than the sum of its proper divisors (49612144491).

2133322211221 is an equidigital number, since it uses as much as digits as its factorization.

2133322211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49612144490.

The product of its digits is 1728, while the sum is 25.

Adding to 2133322211221 its reverse (1221122233312), we get a palindrome (3354444444533).

The spelling of 2133322211221 in words is "two trillion, one hundred thirty-three billion, three hundred twenty-two million, two hundred eleven thousand, two hundred twenty-one".