133225011 has 24 divisors (see below), whose sum is σ = 201636864. Its totient is φ = 84656880.

The previous prime is 133224997. The next prime is 133225033. The reversal of 133225011 is 110522331.

It is not a de Polignac number, because 133225011 - 2⁹ = 133224499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133225111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15130 + ... + 22256.

It is an arithmetic number, because the mean of its divisors is an integer number (8401536).

Almost surely, 2^133225011 is an apocalyptic number.

133225011 is a deficient number, since it is larger than the sum of its proper divisors (68411853).

133225011 is a wasteful number, since it uses less digits than its factorization.

133225011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231 (or 7228 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 133225011 is about 11542.3139361222. The cubic root of 133225011 is about 510.7345700706.

Adding to 133225011 its reverse (110522331), we get a palindrome (243747342).

The spelling of 133225011 in words is "one hundred thirty-three million, two hundred twenty-five thousand, eleven".