1332221102221 has 4 divisors (see below), whose sum is σ = 1333034922492. Its totient is φ = 1331407281952.

The previous prime is 1332221102203. The next prime is 1332221102273. The reversal of 1332221102221 is 1222011222331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207325408900 + 1124895693321 = 455330^2 + 1060611^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332221102221 - 2⁵ = 1332221102189 is a prime.

It is a super-3 number, since 3×1332221102221³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1332221102192 and 1332221102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332221102291) 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, 406907680 + ... + 406910953.

It is an arithmetic number, because the mean of its divisors is an integer number (333258730623).

Almost surely, 2^{1332221102221} is an apocalyptic number.

It is an amenable number.

1332221102221 is a deficient number, since it is larger than the sum of its proper divisors (813820271).

1332221102221 is an equidigital number, since it uses as much as digits as its factorization.

1332221102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813820270.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1332221102221 its reverse (1222011222331), we get a palindrome (2554232324552).

The spelling of 1332221102221 in words is "one trillion, three hundred thirty-two billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty-one".