133001321099 has 4 divisors (see below), whose sum is σ = 133004078064. Its totient is φ = 132998564136.

The previous prime is 133001321093. The next prime is 133001321111. The reversal of 133001321099 is 990123100331.

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

It is a cyclic number.

It is not a de Polignac number, because 133001321099 - 2¹² = 133001317003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133001321093) 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, 1304807 + ... + 1403040.

It is an arithmetic number, because the mean of its divisors is an integer number (33251019516).

Almost surely, 2^133001321099 is an apocalyptic number.

133001321099 is a deficient number, since it is larger than the sum of its proper divisors (2756965).

133001321099 is an equidigital number, since it uses as much as digits as its factorization.

133001321099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756964.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 133001321099 in words is "one hundred thirty-three billion, one million, three hundred twenty-one thousand, ninety-nine".