221022098129017 has 2 divisors, whose sum is σ = 221022098129018. Its totient is φ = 221022098129016.

The previous prime is 221022098128999. The next prime is 221022098129023. The reversal of 221022098129017 is 710921890220122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182492567658361 + 38529530470656 = 13508981^2 + 6207216^2 .

It is a cyclic number.

It is not a de Polignac number, because 221022098129017 - 2²³ = 221022089740409 is a prime.

It is a super-2 number, since 2×221022098129017² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221022098129087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110511049064508 + 110511049064509.

It is an arithmetic number, because the mean of its divisors is an integer number (110511049064509).

Almost surely, 2^{221022098129017} is an apocalyptic number.

It is an amenable number.

221022098129017 is a deficient number, since it is larger than the sum of its proper divisors (1).

221022098129017 is an equidigital number, since it uses as much as digits as its factorization.

221022098129017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 221022098129017 in words is "two hundred twenty-one trillion, twenty-two billion, ninety-eight million, one hundred twenty-nine thousand, seventeen".