2221323010289 has 2 divisors, whose sum is σ = 2221323010290. Its totient is φ = 2221323010288.

The previous prime is 2221323010279. The next prime is 2221323010351. The reversal of 2221323010289 is 9820103231222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2039598141025 + 181724869264 = 1428145^2 + 426292^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221323010289 - 2²⁸ = 2221054574833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221323010219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110661505144 + 1110661505145.

It is an arithmetic number, because the mean of its divisors is an integer number (1110661505145).

Almost surely, 2^{2221323010289} is an apocalyptic number.

It is an amenable number.

2221323010289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221323010289 is an equidigital number, since it uses as much as digits as its factorization.

2221323010289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 2221323010289 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-three million, ten thousand, two hundred eighty-nine".