133222023231181 has 2 divisors, whose sum is σ = 133222023231182. Its totient is φ = 133222023231180.

The previous prime is 133222023231151. The next prime is 133222023231203. The reversal of 133222023231181 is 181132320222331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114797617353225 + 18424405877956 = 10714365^2 + 4292366^2 .

It is a cyclic number.

It is not a de Polignac number, because 133222023231181 - 2⁹ = 133222023230669 is a prime.

It is a super-2 number, since 2×133222023231181² (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 (133222023231151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66611011615590 + 66611011615591.

It is an arithmetic number, because the mean of its divisors is an integer number (66611011615591).

Almost surely, 2^{133222023231181} is an apocalyptic number.

It is an amenable number.

133222023231181 is a deficient number, since it is larger than the sum of its proper divisors (1).

133222023231181 is an equidigital number, since it uses as much as digits as its factorization.

133222023231181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 133222023231181 in words is "one hundred thirty-three trillion, two hundred twenty-two billion, twenty-three million, two hundred thirty-one thousand, one hundred eighty-one".