133303333021 has 8 divisors (see below), whose sum is σ = 133412073984. Its totient is φ = 133194639840.

The previous prime is 133303333019. The next prime is 133303333057. The reversal of 133303333021 is 120333303331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133303333021 - 2¹ = 133303333019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133303336021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7248580 + ... + 7266946.

It is an arithmetic number, because the mean of its divisors is an integer number (16676509248).

Almost surely, 2^133303333021 is an apocalyptic number.

It is an amenable number.

133303333021 is a deficient number, since it is larger than the sum of its proper divisors (108740963).

133303333021 is a wasteful number, since it uses less digits than its factorization.

133303333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23891.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 133303333021 its reverse (120333303331), we get a palindrome (253636636352).

The spelling of 133303333021 in words is "one hundred thirty-three billion, three hundred three million, three hundred thirty-three thousand, twenty-one".