221442130154339 has 2 divisors, whose sum is σ = 221442130154340. Its totient is φ = 221442130154338.

The previous prime is 221442130154213. The next prime is 221442130154347. The reversal of 221442130154339 is 933451031244122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221442130154339 - 2²⁴ = 221442113377123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221442130154339.

It is not a weakly prime, because it can be changed into another prime (221442130154389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110721065077169 + 110721065077170.

It is an arithmetic number, because the mean of its divisors is an integer number (110721065077170).

Almost surely, 2^{221442130154339} is an apocalyptic number.

221442130154339 is a deficient number, since it is larger than the sum of its proper divisors (1).

221442130154339 is an equidigital number, since it uses as much as digits as its factorization.

221442130154339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 221442130154339 in words is "two hundred twenty-one trillion, four hundred forty-two billion, one hundred thirty million, one hundred fifty-four thousand, three hundred thirty-nine".