13321030210121 has 16 divisors (see below), whose sum is σ = 13908250730880. Its totient is φ = 12734481872640.

The previous prime is 13321030210099. The next prime is 13321030210133. The reversal of 13321030210121 is 12101203012331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13321030210121 - 2⁶ = 13321030210057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13321030210093 and 13321030210102.

It is not an unprimeable number, because it can be changed into a prime (13321030213121) 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, 466228766 + ... + 466257336.

It is an arithmetic number, because the mean of its divisors is an integer number (869265670680).

Almost surely, 2^{13321030210121} is an apocalyptic number.

It is an amenable number.

13321030210121 is a deficient number, since it is larger than the sum of its proper divisors (587220520759).

13321030210121 is a wasteful number, since it uses less digits than its factorization.

13321030210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39616.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13321030210121 its reverse (12101203012331), we get a palindrome (25422233222452).

The spelling of 13321030210121 in words is "thirteen trillion, three hundred twenty-one billion, thirty million, two hundred ten thousand, one hundred twenty-one".