133223103130021 has 12 divisors (see below), whose sum is σ = 138824744536044. Its totient is φ = 127770813944000.

The previous prime is 133223103129989. The next prime is 133223103130063. The reversal of 133223103130021 is 120031301322331.

It can be written as a sum of positive squares in 2 ways, for example, as 78352787627521 + 54870315502500 = 8851711^2 + 7407450^2 .

It is not a de Polignac number, because 133223103130021 - 2⁵ = 133223103129989 is a prime.

It is a super-2 number, since 2×133223103130021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133223103130721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466582930 + ... + 466868371.

It is an arithmetic number, because the mean of its divisors is an integer number (11568728711337).

Almost surely, 2^{133223103130021} is an apocalyptic number.

It is an amenable number.

133223103130021 is a deficient number, since it is larger than the sum of its proper divisors (5601641406023).

133223103130021 is an frugal number, since it uses more digits than its factorization.

133223103130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933451460 (or 933451401 counting only the distinct ones).

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

Adding to 133223103130021 its reverse (120031301322331), we get a palindrome (253254404452352).

The spelling of 133223103130021 in words is "one hundred thirty-three trillion, two hundred twenty-three billion, one hundred three million, one hundred thirty thousand, twenty-one".