1000233221017 has 2 divisors, whose sum is σ = 1000233221018. Its totient is φ = 1000233221016.

The previous prime is 1000233220991. The next prime is 1000233221033. The reversal of 1000233221017 is 7101223320001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857816801856 + 142416419161 = 926184^2 + 377381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000233221017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000233228017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500116610508 + 500116610509.

It is an arithmetic number, because the mean of its divisors is an integer number (500116610509).

Almost surely, 2^{1000233221017} is an apocalyptic number.

It is an amenable number.

1000233221017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000233221017 is an equidigital number, since it uses as much as digits as its factorization.

1000233221017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 1000233221017 its reverse (7101223320001), we get a palindrome (8101456541018).

The spelling of 1000233221017 in words is "one trillion, two hundred thirty-three million, two hundred twenty-one thousand, seventeen".