12213132110221 has 8 divisors (see below), whose sum is σ = 14298301007424. Its totient is φ = 10213072147680.

The previous prime is 12213132110209. The next prime is 12213132110239. The reversal of 12213132110221 is 12201123131221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12213132110221 - 2¹⁵ = 12213132077453 is a prime.

It is a super-2 number, since 2×12213132110221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12213132110192 and 12213132110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213132110261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21277233355 + ... + 21277233928.

It is an arithmetic number, because the mean of its divisors is an integer number (1787287625928).

Almost surely, 2^{12213132110221} is an apocalyptic number.

It is an amenable number.

12213132110221 is a deficient number, since it is larger than the sum of its proper divisors (2085168897203).

12213132110221 is an equidigital number, since it uses as much as digits as its factorization.

12213132110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42554467331.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12213132110221 its reverse (12201123131221), we get a palindrome (24414255241442).

The spelling of 12213132110221 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-two million, one hundred ten thousand, two hundred twenty-one".