133333211100997 has 2 divisors, whose sum is σ = 133333211100998. Its totient is φ = 133333211100996.

The previous prime is 133333211100899. The next prime is 133333211101093. The reversal of 133333211100997 is 799001112333331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96003665037316 + 37329546063681 = 9798146^2 + 6109791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133333211100997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133333211100797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66666605550498 + 66666605550499.

It is an arithmetic number, because the mean of its divisors is an integer number (66666605550499).

Almost surely, 2^{133333211100997} is an apocalyptic number.

It is an amenable number.

133333211100997 is a deficient number, since it is larger than the sum of its proper divisors (1).

133333211100997 is an equidigital number, since it uses as much as digits as its factorization.

133333211100997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275562, while the sum is 46.

The spelling of 133333211100997 in words is "one hundred thirty-three trillion, three hundred thirty-three billion, two hundred eleven million, one hundred thousand, nine hundred ninety-seven".