13302121031221 has 16 divisors (see below), whose sum is σ = 14522361638400. Its totient is φ = 12083707753200.

The previous prime is 13302121031219. The next prime is 13302121031261. The reversal of 13302121031221 is 12213012120331.

It is a cyclic number.

It is not a de Polignac number, because 13302121031221 - 2¹ = 13302121031219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13302121031192 and 13302121031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302121031261) 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 15 ways as a sum of consecutive naturals, for example, 434254576 + ... + 434285206.

It is an arithmetic number, because the mean of its divisors is an integer number (907647602400).

Almost surely, 2^{13302121031221} is an apocalyptic number.

13302121031221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13302121031221 is a deficient number, since it is larger than the sum of its proper divisors (1220240607179).

13302121031221 is a wasteful number, since it uses less digits than its factorization.

13302121031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59160.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13302121031221 its reverse (12213012120331), we get a palindrome (25515133151552).

The spelling of 13302121031221 in words is "thirteen trillion, three hundred two billion, one hundred twenty-one million, thirty-one thousand, two hundred twenty-one".