210001211012017 has 2 divisors, whose sum is σ = 210001211012018. Its totient is φ = 210001211012016.

The previous prime is 210001211011931. The next prime is 210001211012053. The reversal of 210001211012017 is 710210112100012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207551247276321 + 2449963735696 = 14406639^2 + 1565236^2 .

It is a cyclic number.

It is not a de Polignac number, because 210001211012017 - 2³⁵ = 209966851273649 is a prime.

It is a super-4 number, since 4×210001211012017⁴ (a number of 58 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210001211011985 and 210001211012003.

It is not a weakly prime, because it can be changed into another prime (210001211012057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000605506008 + 105000605506009.

It is an arithmetic number, because the mean of its divisors is an integer number (105000605506009).

Almost surely, 2^{210001211012017} is an apocalyptic number.

It is an amenable number.

210001211012017 is a deficient number, since it is larger than the sum of its proper divisors (1).

210001211012017 is an equidigital number, since it uses as much as digits as its factorization.

210001211012017 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 19.

Adding to 210001211012017 its reverse (710210112100012), we get a palindrome (920211323112029).

The spelling of 210001211012017 in words is "two hundred ten trillion, one billion, two hundred eleven million, twelve thousand, seventeen".