2245124121017 has 2 divisors, whose sum is σ = 2245124121018. Its totient is φ = 2245124121016.

The previous prime is 2245124121007. The next prime is 2245124121043. The reversal of 2245124121017 is 7101214215422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359080313616 + 886043807401 = 1165796^2 + 941299^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245124121017 - 2¹⁰ = 2245124119993 is a prime.

It is a super-2 number, since 2×2245124121017² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2245124121007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122562060508 + 1122562060509.

It is an arithmetic number, because the mean of its divisors is an integer number (1122562060509).

Almost surely, 2^{2245124121017} is an apocalyptic number.

It is an amenable number.

2245124121017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245124121017 is an equidigital number, since it uses as much as digits as its factorization.

2245124121017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 32.

Adding to 2245124121017 its reverse (7101214215422), we get a palindrome (9346338336439).

The spelling of 2245124121017 in words is "two trillion, two hundred forty-five billion, one hundred twenty-four million, one hundred twenty-one thousand, seventeen".