133225111 has 2 divisors, whose sum is σ = 133225112. Its totient is φ = 133225110.

The previous prime is 133225087. The next prime is 133225153. The reversal of 133225111 is 111522331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133225111 - 2¹⁵ = 133192343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133225171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66612555 + 66612556.

It is an arithmetic number, because the mean of its divisors is an integer number (66612556).

Almost surely, 2^133225111 is an apocalyptic number.

133225111 is a deficient number, since it is larger than the sum of its proper divisors (1).

133225111 is an equidigital number, since it uses as much as digits as its factorization.

133225111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 133225111 is about 11542.3182680084. The cubic root of 133225111 is about 510.7346978580.

Adding to 133225111 its reverse (111522331), we get a palindrome (244747442).

The spelling of 133225111 in words is "one hundred thirty-three million, two hundred twenty-five thousand, one hundred eleven".