133013012221 has 8 divisors (see below), whose sum is σ = 133222156704. Its totient is φ = 132803924400.

The previous prime is 133013012219. The next prime is 133013012227. The reversal of 133013012221 is 122210310331.

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 133013012221 - 2¹ = 133013012219 is a prime.

It is a super-2 number, since 2×133013012221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133013012227) 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, 8939430 + ... + 8954296.

It is an arithmetic number, because the mean of its divisors is an integer number (16652769588).

Almost surely, 2^133013012221 is an apocalyptic number.

It is an amenable number.

133013012221 is a deficient number, since it is larger than the sum of its proper divisors (209144483).

133013012221 is a wasteful number, since it uses less digits than its factorization.

133013012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28331.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 133013012221 its reverse (122210310331), we get a palindrome (255223322552).

The spelling of 133013012221 in words is "one hundred thirty-three billion, thirteen million, twelve thousand, two hundred twenty-one".