4201211321 has 4 divisors (see below), whose sum is σ = 4210695312. Its totient is φ = 4191727332.

The previous prime is 4201211297. The next prime is 4201211359. The reversal of 4201211321 is 1231121024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4201211321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4201211321.

It is not an unprimeable number, because it can be changed into a prime (4201211381) 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 3 ways as a sum of consecutive naturals, for example, 4741331 + ... + 4742216.

It is an arithmetic number, because the mean of its divisors is an integer number (1052673828).

Almost surely, 2^4201211321 is an apocalyptic number.

It is an amenable number.

4201211321 is a deficient number, since it is larger than the sum of its proper divisors (9483991).

4201211321 is an equidigital number, since it uses as much as digits as its factorization.

4201211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483990.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4201211321 is about 64816.7518547482. The cubic root of 4201211321 is about 1613.5837406391.

Adding to 4201211321 its reverse (1231121024), we get a palindrome (5432332345).

The spelling of 4201211321 in words is "four billion, two hundred one million, two hundred eleven thousand, three hundred twenty-one".