2102020200321 has 8 divisors (see below), whose sum is σ = 2805189324960. Its totient is φ = 1400098937952.

The previous prime is 2102020200289. The next prime is 2102020200331. The reversal of 2102020200321 is 1230020202012.

It is a happy number.

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

It is not a de Polignac number, because 2102020200321 - 2⁵ = 2102020200289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102020200321.

It is not an unprimeable number, because it can be changed into a prime (2102020200331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311961636 + ... + 311968373.

It is an arithmetic number, because the mean of its divisors is an integer number (350648665620).

Almost surely, 2^{2102020200321} is an apocalyptic number.

It is an amenable number.

2102020200321 is a deficient number, since it is larger than the sum of its proper divisors (703169124639).

2102020200321 is a wasteful number, since it uses less digits than its factorization.

2102020200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623931135.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2102020200321 its reverse (1230020202012), we get a palindrome (3332040402333).

The spelling of 2102020200321 in words is "two trillion, one hundred two billion, twenty million, two hundred thousand, three hundred twenty-one".