17421351122 has 54 divisors (see below), whose sum is σ = 31014809847. Its totient is φ = 7317897048.

The previous prime is 17421351119. The next prime is 17421351149. The reversal of 17421351122 is 22115312471.

It can be written as a sum of positive squares in only one way, i.e., 8710675561 + 8710675561 = 93331^2 + 93331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=93331.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 87544379 + ... + 87544577.

Almost surely, 2^17421351122 is an apocalyptic number.

17421351122 is a deficient number, since it is larger than the sum of its proper divisors (13593458725).

17421351122 is an frugal number, since it uses more digits than its factorization.

17421351122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 275 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

Adding to 17421351122 its reverse (22115312471), we get a palindrome (39536663593).

The spelling of 17421351122 in words is "seventeen billion, four hundred twenty-one million, three hundred fifty-one thousand, one hundred twenty-two".