133220021001303 has 4 divisors (see below), whose sum is σ = 177626694668408. Its totient is φ = 88813347334200.

The previous prime is 133220021001271. The next prime is 133220021001307. The reversal of 133220021001303 is 303100120022331.

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

It is not a de Polignac number, because 133220021001303 - 2⁵ = 133220021001271 is a prime.

It is a super-2 number, since 2×133220021001303² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133220021001303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133220021001307) 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, 22203336833548 + ... + 22203336833553.

It is an arithmetic number, because the mean of its divisors is an integer number (44406673667102).

Almost surely, 2^{133220021001303} is an apocalyptic number.

133220021001303 is a deficient number, since it is larger than the sum of its proper divisors (44406673667105).

133220021001303 is an equidigital number, since it uses as much as digits as its factorization.

133220021001303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44406673667104.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133220021001303 its reverse (303100120022331), we get a palindrome (436320141023634).

The spelling of 133220021001303 in words is "one hundred thirty-three trillion, two hundred twenty billion, twenty-one million, one thousand, three hundred three".