133103221321 has 8 divisors (see below), whose sum is σ = 152132972544. Its totient is φ = 114077221440.

The previous prime is 133103221313. The next prime is 133103221333. The reversal of 133103221321 is 123122301331.

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

It is not a de Polignac number, because 133103221321 - 2³ = 133103221313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133103221292 and 133103221301.

It is not an unprimeable number, because it can be changed into a prime (133103221921) 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 7 ways as a sum of consecutive naturals, for example, 861385 + ... + 1004086.

It is an arithmetic number, because the mean of its divisors is an integer number (19016621568).

Almost surely, 2^133103221321 is an apocalyptic number.

It is an amenable number.

133103221321 is a deficient number, since it is larger than the sum of its proper divisors (19029751223).

133103221321 is a wasteful number, since it uses less digits than its factorization.

133103221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875671.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133103221321 its reverse (123122301331), we get a palindrome (256225522652).

The spelling of 133103221321 in words is "one hundred thirty-three billion, one hundred three million, two hundred twenty-one thousand, three hundred twenty-one".