2120001017 has 2 divisors, whose sum is σ = 2120001018. Its totient is φ = 2120001016.

The previous prime is 2120000977. The next prime is 2120001043. The reversal of 2120001017 is 7101000212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1066414336 + 1053586681 = 32656^2 + 32459^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120001017 - 2⁸ = 2120000761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120000992 and 2120001010.

It is not a weakly prime, because it can be changed into another prime (2120001067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060000508 + 1060000509.

It is an arithmetic number, because the mean of its divisors is an integer number (1060000509).

Almost surely, 2^2120001017 is an apocalyptic number.

It is an amenable number.

2120001017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120001017 is an equidigital number, since it uses as much as digits as its factorization.

2120001017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 2120001017 is about 46043.4687767983. The cubic root of 2120001017 is about 1284.6318631323.

Adding to 2120001017 its reverse (7101000212), we get a palindrome (9221001229).

The spelling of 2120001017 in words is "two billion, one hundred twenty million, one thousand, seventeen".