22133322331221 has 32 divisors (see below), whose sum is σ = 30819050035200. Its totient is φ = 14102610209600.

The previous prime is 22133322331139. The next prime is 22133322331277. The reversal of 22133322331221 is 12213322333122.

It is a cyclic number.

It is not a de Polignac number, because 22133322331221 - 2¹³ = 22133322323029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133322331321) 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, 1077089455 + ... + 1077110003.

It is an arithmetic number, because the mean of its divisors is an integer number (963095313600).

Almost surely, 2^{22133322331221} is an apocalyptic number.

It is an amenable number.

22133322331221 is a deficient number, since it is larger than the sum of its proper divisors (8685727703979).

22133322331221 is a wasteful number, since it uses less digits than its factorization.

22133322331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32417.

The product of its digits is 15552, while the sum is 30.

Adding to 22133322331221 its reverse (12213322333122), we get a palindrome (34346644664343).

The spelling of 22133322331221 in words is "twenty-two trillion, one hundred thirty-three billion, three hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty-one".