133121210333 has 2 divisors, whose sum is σ = 133121210334. Its totient is φ = 133121210332.

The previous prime is 133121210323. The next prime is 133121210407. The reversal of 133121210333 is 333012121331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132825989209 + 295221124 = 364453^2 + 17182^2 .

It is a cyclic number.

It is not a de Polignac number, because 133121210333 - 2²⁴ = 133104433117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133121210299 and 133121210308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133121210323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66560605166 + 66560605167.

It is an arithmetic number, because the mean of its divisors is an integer number (66560605167).

Almost surely, 2^133121210333 is an apocalyptic number.

It is an amenable number.

133121210333 is a deficient number, since it is larger than the sum of its proper divisors (1).

133121210333 is an equidigital number, since it uses as much as digits as its factorization.

133121210333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 133121210333 its reverse (333012121331), we get a palindrome (466133331664).

The spelling of 133121210333 in words is "one hundred thirty-three billion, one hundred twenty-one million, two hundred ten thousand, three hundred thirty-three".