2221221201259 has 2 divisors, whose sum is σ = 2221221201260. Its totient is φ = 2221221201258.

The previous prime is 2221221201211. The next prime is 2221221201319. The reversal of 2221221201259 is 9521021221222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221221201259 - 2⁷ = 2221221201131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221221201259.

It is not a weakly prime, because it can be changed into another prime (2221221201659) 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 as a sum of consecutive naturals, namely, 1110610600629 + 1110610600630.

It is an arithmetic number, because the mean of its divisors is an integer number (1110610600630).

Almost surely, 2^{2221221201259} is an apocalyptic number.

2221221201259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221221201259 is an equidigital number, since it uses as much as digits as its factorization.

2221221201259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 2221221201259 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred one thousand, two hundred fifty-nine".