220001210017 has 2 divisors, whose sum is σ = 220001210018. Its totient is φ = 220001210016.

The previous prime is 220001210003. The next prime is 220001210027. The reversal of 220001210017 is 710012100022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195827490576 + 24173719441 = 442524^2 + 155479^2 .

It is a cyclic number.

It is not a de Polignac number, because 220001210017 - 2⁷ = 220001209889 is a prime.

It is a super-2 number, since 2×220001210017² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220001210027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000605008 + 110000605009.

It is an arithmetic number, because the mean of its divisors is an integer number (110000605009).

Almost surely, 2^220001210017 is an apocalyptic number.

It is an amenable number.

220001210017 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001210017 is an equidigital number, since it uses as much as digits as its factorization.

220001210017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 220001210017 its reverse (710012100022), we get a palindrome (930013310039).

The spelling of 220001210017 in words is "two hundred twenty billion, one million, two hundred ten thousand, seventeen".