2163321201 has 8 divisors (see below), whose sum is σ = 2923941280. Its totient is φ = 1422457632.

The previous prime is 2163321197. The next prime is 2163321203. The reversal of 2163321201 is 1021233612.

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

It is not a de Polignac number, because 2163321201 - 2² = 2163321197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163321203) 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, 4938871 + ... + 4939308.

It is an arithmetic number, because the mean of its divisors is an integer number (365492660).

Almost surely, 2^2163321201 is an apocalyptic number.

It is an amenable number.

2163321201 is a deficient number, since it is larger than the sum of its proper divisors (760620079).

2163321201 is an equidigital number, since it uses as much as digits as its factorization.

2163321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9878255.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2163321201 is about 46511.5168641058. The cubic root of 2163321201 is about 1293.3230035060.

Adding to 2163321201 its reverse (1021233612), we get a palindrome (3184554813).

The spelling of 2163321201 in words is "two billion, one hundred sixty-three million, three hundred twenty-one thousand, two hundred one".