2114221321 has 2 divisors, whose sum is σ = 2114221322. Its totient is φ = 2114221320.

The previous prime is 2114221301. The next prime is 2114221331. The reversal of 2114221321 is 1231224112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2111862025 + 2359296 = 45955^2 + 1536^2 .

It is a cyclic number.

It is not a de Polignac number, because 2114221321 - 2²⁷ = 1980003593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2114221301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057110660 + 1057110661.

It is an arithmetic number, because the mean of its divisors is an integer number (1057110661).

Almost surely, 2^2114221321 is an apocalyptic number.

It is an amenable number.

2114221321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2114221321 is an equidigital number, since it uses as much as digits as its factorization.

2114221321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 2114221321 is about 45980.6624680419. The cubic root of 2114221321 is about 1283.4633826866.

Adding to 2114221321 its reverse (1231224112), we get a palindrome (3345445433).

The spelling of 2114221321 in words is "two billion, one hundred fourteen million, two hundred twenty-one thousand, three hundred twenty-one".