133220011 has 2 divisors, whose sum is σ = 133220012. Its totient is φ = 133220010.

The previous prime is 133219993. The next prime is 133220027. The reversal of 133220011 is 110022331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133220011 - 2⁷ = 133219883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 133219973 and 133220000.

It is not a weakly prime, because it can be changed into another prime (133220611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66610005 + 66610006.

It is an arithmetic number, because the mean of its divisors is an integer number (66610006).

Almost surely, 2^133220011 is an apocalyptic number.

133220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

133220011 is an equidigital number, since it uses as much as digits as its factorization.

133220011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 133220011 is about 11542.0973397386. The cubic root of 133220011 is about 510.7281806177.

Adding to 133220011 its reverse (110022331), we get a palindrome (243242342).

The spelling of 133220011 in words is "one hundred thirty-three million, two hundred twenty thousand, eleven".