13321021032201 has 16 divisors (see below), whose sum is σ = 18533697252480. Its totient is φ = 8494517032320.

The previous prime is 13321021032199. The next prime is 13321021032227. The reversal of 13321021032201 is 10223012012331.

It is not a de Polignac number, because 13321021032201 - 2¹ = 13321021032199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13321021032301) 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, 15419215 + ... + 16260203.

It is an arithmetic number, because the mean of its divisors is an integer number (1158356078280).

Almost surely, 2^{13321021032201} is an apocalyptic number.

It is an amenable number.

13321021032201 is a deficient number, since it is larger than the sum of its proper divisors (5212676220279).

13321021032201 is a wasteful number, since it uses less digits than its factorization.

13321021032201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070576.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13321021032201 its reverse (10223012012331), we get a palindrome (23544033044532).

The spelling of 13321021032201 in words is "thirteen trillion, three hundred twenty-one billion, twenty-one million, thirty-two thousand, two hundred one".