133123022219917 has 2 divisors, whose sum is σ = 133123022219918. Its totient is φ = 133123022219916.

The previous prime is 133123022219911. The next prime is 133123022220011. The reversal of 133123022219917 is 719912220321331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122928354337636 + 10194667882281 = 11087306^2 + 3192909^2 .

It is an emirp because it is prime and its reverse (719912220321331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133123022219917 is a prime.

It is a super-2 number, since 2×133123022219917² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133123022219911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66561511109958 + 66561511109959.

It is an arithmetic number, because the mean of its divisors is an integer number (66561511109959).

Almost surely, 2^{133123022219917} is an apocalyptic number.

It is an amenable number.

133123022219917 is a deficient number, since it is larger than the sum of its proper divisors (1).

133123022219917 is an equidigital number, since it uses as much as digits as its factorization.

133123022219917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 133123022219917 in words is "one hundred thirty-three trillion, one hundred twenty-three billion, twenty-two million, two hundred nineteen thousand, nine hundred seventeen".