22011301213221 has 32 divisors (see below), whose sum is σ = 31198214016000. Its totient is φ = 13774038996608.

The previous prime is 22011301213171. The next prime is 22011301213243. The reversal of 22011301213221 is 12231210311022.

It is a cyclic number.

It is not a de Polignac number, because 22011301213221 - 2¹⁴ = 22011301196837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011301223221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2434791 + ... + 7067588.

It is an arithmetic number, because the mean of its divisors is an integer number (974944188000).

Almost surely, 2^{22011301213221} is an apocalyptic number.

It is an amenable number.

22011301213221 is a deficient number, since it is larger than the sum of its proper divisors (9186912802779).

22011301213221 is a wasteful number, since it uses less digits than its factorization.

22011301213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9503033.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22011301213221 its reverse (12231210311022), we get a palindrome (34242511524243).

The spelling of 22011301213221 in words is "twenty-two trillion, eleven billion, three hundred one million, two hundred thirteen thousand, two hundred twenty-one".