133001022301921 has 2 divisors, whose sum is σ = 133001022301922. Its totient is φ = 133001022301920.

The previous prime is 133001022301877. The next prime is 133001022302017. The reversal of 133001022301921 is 129103220100331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123406237274896 + 9594785027025 = 11108836^2 + 3097545^2 .

It is an emirp because it is prime and its reverse (129103220100331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133001022301921 - 2¹⁵ = 133001022269153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133001022301921.

It is not a weakly prime, because it can be changed into another prime (133001022302921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500511150960 + 66500511150961.

It is an arithmetic number, because the mean of its divisors is an integer number (66500511150961).

Almost surely, 2^{133001022301921} is an apocalyptic number.

It is an amenable number.

133001022301921 is a deficient number, since it is larger than the sum of its proper divisors (1).

133001022301921 is an equidigital number, since it uses as much as digits as its factorization.

133001022301921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 133001022301921 in words is "one hundred thirty-three trillion, one billion, twenty-two million, three hundred one thousand, nine hundred twenty-one".