133000201211021 has 2 divisors, whose sum is σ = 133000201211022. Its totient is φ = 133000201211020.

The previous prime is 133000201210997. The next prime is 133000201211039. The reversal of 133000201211021 is 120112102000331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93144792834025 + 39855408376996 = 9651155^2 + 6313114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133000201211021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133000201217021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500100605510 + 66500100605511.

It is an arithmetic number, because the mean of its divisors is an integer number (66500100605511).

Almost surely, 2^{133000201211021} is an apocalyptic number.

It is an amenable number.

133000201211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000201211021 is an equidigital number, since it uses as much as digits as its factorization.

133000201211021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 133000201211021 its reverse (120112102000331), we get a palindrome (253112303211352).

The spelling of 133000201211021 in words is "one hundred thirty-three trillion, two hundred one million, two hundred eleven thousand, twenty-one".