221233211098117 has 2 divisors, whose sum is σ = 221233211098118. Its totient is φ = 221233211098116.

The previous prime is 221233211098027. The next prime is 221233211098153. The reversal of 221233211098117 is 711890112332122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170405636710401 + 50827574387716 = 13053951^2 + 7129346^2 .

It is a cyclic number.

It is not a de Polignac number, because 221233211098117 - 2⁷ = 221233211097989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221233211198117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110616605549058 + 110616605549059.

It is an arithmetic number, because the mean of its divisors is an integer number (110616605549059).

Almost surely, 2^{221233211098117} is an apocalyptic number.

It is an amenable number.

221233211098117 is a deficient number, since it is larger than the sum of its proper divisors (1).

221233211098117 is an equidigital number, since it uses as much as digits as its factorization.

221233211098117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 221233211098117 in words is "two hundred twenty-one trillion, two hundred thirty-three billion, two hundred eleven million, ninety-eight thousand, one hundred seventeen".