2102402013321 has 8 divisors (see below), whose sum is σ = 2899864846080. Its totient is φ = 1353270261392.

The previous prime is 2102402013281. The next prime is 2102402013353. The reversal of 2102402013321 is 1233102042012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102402013321 - 2¹⁹ = 2102401489033 is a prime.

It is a super-2 number, since 2×2102402013321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102402015321) 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 7 ways as a sum of consecutive naturals, for example, 12082770105 + ... + 12082770278.

It is an arithmetic number, because the mean of its divisors is an integer number (362483105760).

Almost surely, 2^{2102402013321} is an apocalyptic number.

It is an amenable number.

2102402013321 is a deficient number, since it is larger than the sum of its proper divisors (797462832759).

2102402013321 is a wasteful number, since it uses less digits than its factorization.

2102402013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24165540415.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2102402013321 its reverse (1233102042012), we get a palindrome (3335504055333).

It can be divided in two parts, 21024020 and 13321, that added together give a triangular number (21037341 = T₆₄₈₆).

The spelling of 2102402013321 in words is "two trillion, one hundred two billion, four hundred two million, thirteen thousand, three hundred twenty-one".