133321130322001 has 4 divisors (see below), whose sum is σ = 133329525346404. Its totient is φ = 133312735297600.

The previous prime is 133321130321963. The next prime is 133321130322031. The reversal of 133321130322001 is 100223031123331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106828244850625 + 26492885471376 = 10335775^2 + 5147124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133321130322001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133321130322031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197488380 + ... + 4197520141.

It is an arithmetic number, because the mean of its divisors is an integer number (33332381336601).

Almost surely, 2^{133321130322001} is an apocalyptic number.

It is an amenable number.

133321130322001 is a deficient number, since it is larger than the sum of its proper divisors (8395024403).

133321130322001 is an equidigital number, since it uses as much as digits as its factorization.

133321130322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8395024402.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 133321130322001 its reverse (100223031123331), we get a palindrome (233544161445332).

The spelling of 133321130322001 in words is "one hundred thirty-three trillion, three hundred twenty-one billion, one hundred thirty million, three hundred twenty-two thousand, one".