133300303221 has 4 divisors (see below), whose sum is σ = 177733737632. Its totient is φ = 88866868812.

The previous prime is 133300303183. The next prime is 133300303237. The reversal of 133300303221 is 122303003331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122303003331 = 3 ⋅40767667777.

It is not a de Polignac number, because 133300303221 - 2⁷ = 133300303093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133300303261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22216717201 + ... + 22216717206.

It is an arithmetic number, because the mean of its divisors is an integer number (44433434408).

Almost surely, 2^133300303221 is an apocalyptic number.

It is an amenable number.

133300303221 is a deficient number, since it is larger than the sum of its proper divisors (44433434411).

133300303221 is an equidigital number, since it uses as much as digits as its factorization.

133300303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44433434410.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 133300303221 its reverse (122303003331), we get a palindrome (255603306552).

The spelling of 133300303221 in words is "one hundred thirty-three billion, three hundred million, three hundred three thousand, two hundred twenty-one".