16002125021201 has 16 divisors (see below), whose sum is σ = 18376631481600. Its totient is φ = 13780995325200.

The previous prime is 16002125021177. The next prime is 16002125021209. The reversal of 16002125021201 is 10212052120061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16002125021201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16002125021209) 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, 1870970 + ... + 5958588.

It is an arithmetic number, because the mean of its divisors is an integer number (1148539467600).

Almost surely, 2^{16002125021201} is an apocalyptic number.

16002125021201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16002125021201 is a deficient number, since it is larger than the sum of its proper divisors (2374506460399).

16002125021201 is a wasteful number, since it uses less digits than its factorization.

16002125021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106380.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 16002125021201 its reverse (10212052120061), we get a palindrome (26214177141262).

The spelling of 16002125021201 in words is "sixteen trillion, two billion, one hundred twenty-five million, twenty-one thousand, two hundred one".