12021321110133 has 4 divisors (see below), whose sum is σ = 16028428146848. Its totient is φ = 8014214073420.

The previous prime is 12021321110069. The next prime is 12021321110167. The reversal of 12021321110133 is 33101112312021.

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.

It is not a de Polignac number, because 12021321110133 - 2⁶ = 12021321110069 is a prime.

It is a super-2 number, since 2×12021321110133² (a number of 27 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 (12021321110333) 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, 2003553518353 + ... + 2003553518358.

It is an arithmetic number, because the mean of its divisors is an integer number (4007107036712).

Almost surely, 2^{12021321110133} is an apocalyptic number.

It is an amenable number.

12021321110133 is a deficient number, since it is larger than the sum of its proper divisors (4007107036715).

12021321110133 is an equidigital number, since it uses as much as digits as its factorization.

12021321110133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007107036714.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12021321110133 its reverse (33101112312021), we get a palindrome (45122433422154).

The spelling of 12021321110133 in words is "twelve trillion, twenty-one billion, three hundred twenty-one million, one hundred ten thousand, one hundred thirty-three".