133300334000021 has 2 divisors, whose sum is σ = 133300334000022. Its totient is φ = 133300334000020.

The previous prime is 133300333999997. The next prime is 133300334000059. The reversal of 133300334000021 is 120000433003331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115960355343121 + 17339978656900 = 10768489^2 + 4164130^2 .

It is a cyclic number.

It is not a de Polignac number, because 133300334000021 - 2²⁶ = 133300266891157 is a prime.

It is a super-2 number, since 2×133300334000021² (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 (133300334000621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66650167000010 + 66650167000011.

It is an arithmetic number, because the mean of its divisors is an integer number (66650167000011).

Almost surely, 2^{133300334000021} is an apocalyptic number.

It is an amenable number.

133300334000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133300334000021 is an equidigital number, since it uses as much as digits as its factorization.

133300334000021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 133300334000021 its reverse (120000433003331), we get a palindrome (253300767003352).

The spelling of 133300334000021 in words is "one hundred thirty-three trillion, three hundred billion, three hundred thirty-four million, twenty-one", and thus it is an aban number.