133210111 has 2 divisors, whose sum is σ = 133210112. Its totient is φ = 133210110.

The previous prime is 133210109. The next prime is 133210139. The reversal of 133210111 is 111012331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133210111 - 2¹ = 133210109 is a prime.

Together with 133210109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 133210091 and 133210100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133210171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66605055 + 66605056.

It is an arithmetic number, because the mean of its divisors is an integer number (66605056).

Almost surely, 2^133210111 is an apocalyptic number.

133210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

133210111 is an equidigital number, since it uses as much as digits as its factorization.

133210111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 133210111 is about 11541.6684669072. The cubic root of 133210111 is about 510.7155290292.

Adding to 133210111 its reverse (111012331), we get a palindrome (244222442).

The spelling of 133210111 in words is "one hundred thirty-three million, two hundred ten thousand, one hundred eleven".