133043013221 has 8 divisors (see below), whose sum is σ = 133952486400. Its totient is φ = 132133761232.

The previous prime is 133043013211. The next prime is 133043013239. The reversal of 133043013221 is 122310340331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133043013221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133043013211) 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, 1257836 + ... + 1359498.

It is an arithmetic number, because the mean of its divisors is an integer number (16744060800).

Almost surely, 2^133043013221 is an apocalyptic number.

It is an amenable number.

133043013221 is a deficient number, since it is larger than the sum of its proper divisors (909473179).

133043013221 is a wasteful number, since it uses less digits than its factorization.

133043013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110595.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 133043013221 its reverse (122310340331), we get a palindrome (255353353552).

The spelling of 133043013221 in words is "one hundred thirty-three billion, forty-three million, thirteen thousand, two hundred twenty-one".