17828226121 has 2 divisors, whose sum is σ = 17828226122. Its totient is φ = 17828226120.

The previous prime is 17828226067. The next prime is 17828226127. The reversal of 17828226121 is 12162282871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17487417600 + 340808521 = 132240^2 + 18461^2 .

It is an emirp because it is prime and its reverse (12162282871) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17828226121 - 2⁷ = 17828225993 is a prime.

It is not a weakly prime, because it can be changed into another prime (17828226127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8914113060 + 8914113061.

It is an arithmetic number, because the mean of its divisors is an integer number (8914113061).

Almost surely, 2^17828226121 is an apocalyptic number.

It is an amenable number.

17828226121 is a deficient number, since it is larger than the sum of its proper divisors (1).

17828226121 is an equidigital number, since it uses as much as digits as its factorization.

17828226121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 40.

The spelling of 17828226121 in words is "seventeen billion, eight hundred twenty-eight million, two hundred twenty-six thousand, one hundred twenty-one".