13202121221103 has 16 divisors (see below), whose sum is σ = 17727947971200. Its totient is φ = 8739003086880.

The previous prime is 13202121221077. The next prime is 13202121221117. The reversal of 13202121221103 is 30112212120231.

It is not a de Polignac number, because 13202121221103 - 2¹³ = 13202121212911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13202121221103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202121221123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18241833 + ... + 18951746.

It is an arithmetic number, because the mean of its divisors is an integer number (1107996748200).

Almost surely, 2^{13202121221103} is an apocalyptic number.

13202121221103 is a deficient number, since it is larger than the sum of its proper divisors (4525826750097).

13202121221103 is a wasteful number, since it uses less digits than its factorization.

13202121221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37194422.

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

Adding to 13202121221103 its reverse (30112212120231), we get a palindrome (43314333341334).

The spelling of 13202121221103 in words is "thirteen trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred three".