221201120022247 has 2 divisors, whose sum is σ = 221201120022248. Its totient is φ = 221201120022246.

The previous prime is 221201120022193. The next prime is 221201120022293. The reversal of 221201120022247 is 742220021102122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221201120022247 - 2¹⁹ = 221201119497959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221201120026247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600560011123 + 110600560011124.

It is an arithmetic number, because the mean of its divisors is an integer number (110600560011124).

Almost surely, 2^{221201120022247} is an apocalyptic number.

221201120022247 is a deficient number, since it is larger than the sum of its proper divisors (1).

221201120022247 is an equidigital number, since it uses as much as digits as its factorization.

221201120022247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 221201120022247 its reverse (742220021102122), we get a palindrome (963421141124369).

The spelling of 221201120022247 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred twenty million, twenty-two thousand, two hundred forty-seven".