2110221329 has 2 divisors, whose sum is σ = 2110221330. Its totient is φ = 2110221328.

The previous prime is 2110221241. The next prime is 2110221349. The reversal of 2110221329 is 9231220112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1724491729 + 385729600 = 41527^2 + 19640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110221329 - 2¹⁶ = 2110155793 is a prime.

It is not a weakly prime, because it can be changed into another prime (2110221349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055110664 + 1055110665.

It is an arithmetic number, because the mean of its divisors is an integer number (1055110665).

Almost surely, 2^2110221329 is an apocalyptic number.

It is an amenable number.

2110221329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110221329 is an equidigital number, since it uses as much as digits as its factorization.

2110221329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2110221329 is about 45937.1454163186. The cubic root of 2110221329 is about 1282.6534573380.

The spelling of 2110221329 in words is "two billion, one hundred ten million, two hundred twenty-one thousand, three hundred twenty-nine".