221132212339 has 2 divisors, whose sum is σ = 221132212340. Its totient is φ = 221132212338.

The previous prime is 221132212309. The next prime is 221132212373. The reversal of 221132212339 is 933212231122.

221132212339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221132212339 - 2⁵ = 221132212307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221132212339.

It is not a weakly prime, because it can be changed into another prime (221132212309) 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, 110566106169 + 110566106170.

It is an arithmetic number, because the mean of its divisors is an integer number (110566106170).

Almost surely, 2^221132212339 is an apocalyptic number.

221132212339 is a deficient number, since it is larger than the sum of its proper divisors (1).

221132212339 is an equidigital number, since it uses as much as digits as its factorization.

221132212339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The spelling of 221132212339 in words is "two hundred twenty-one billion, one hundred thirty-two million, two hundred twelve thousand, three hundred thirty-nine".