13401221203402 has 8 divisors (see below), whose sum is σ = 21159822952800. Its totient is φ = 6347946885804.

The previous prime is 13401221203393. The next prime is 13401221203411. The reversal of 13401221203402 is 20430212210431.

It is an interprime number because it is at equal distance from previous prime (13401221203393) and next prime (13401221203411).

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

It is a super-2 number, since 2×13401221203402² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 176331857902 + ... + 176331857977.

It is an arithmetic number, because the mean of its divisors is an integer number (2644977869100).

Almost surely, 2^{13401221203402} is an apocalyptic number.

13401221203402 is a deficient number, since it is larger than the sum of its proper divisors (7758601749398).

13401221203402 is a wasteful number, since it uses less digits than its factorization.

13401221203402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352663715900.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13401221203402 its reverse (20430212210431), we get a palindrome (33831433413833).

The spelling of 13401221203402 in words is "thirteen trillion, four hundred one billion, two hundred twenty-one million, two hundred three thousand, four hundred two".