133321113021 has 16 divisors (see below), whose sum is σ = 188493666624. Its totient is φ = 83529963264.

The previous prime is 133321113019. The next prime is 133321113049. The reversal of 133321113021 is 120311123331.

It is a happy number.

It is not a de Polignac number, because 133321113021 - 2¹ = 133321113019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133321113421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878886 + ... + 1948551.

It is an arithmetic number, because the mean of its divisors is an integer number (11780854164).

Almost surely, 2^133321113021 is an apocalyptic number.

It is an amenable number.

133321113021 is a deficient number, since it is larger than the sum of its proper divisors (55172553603).

133321113021 is a wasteful number, since it uses less digits than its factorization.

133321113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828140.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133321113021 its reverse (120311123331), we get a palindrome (253632236352).

The spelling of 133321113021 in words is "one hundred thirty-three billion, three hundred twenty-one million, one hundred thirteen thousand, twenty-one".