12021101333 has 4 divisors (see below), whose sum is σ = 12185774028. Its totient is φ = 11856428640.

The previous prime is 12021101329. The next prime is 12021101359. The reversal of 12021101333 is 33310112021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33310112021 = 467 ⋅71327863.

It can be written as a sum of positive squares in 2 ways, for example, as 3372473329 + 8648628004 = 58073^2 + 92998^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021101333 - 2² = 12021101329 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 (12021101303) 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, 82336238 + ... + 82336383.

It is an arithmetic number, because the mean of its divisors is an integer number (3046443507).

Almost surely, 2^12021101333 is an apocalyptic number.

It is an amenable number.

12021101333 is a deficient number, since it is larger than the sum of its proper divisors (164672695).

12021101333 is an equidigital number, since it uses as much as digits as its factorization.

12021101333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164672694.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12021101333 its reverse (33310112021), we get a palindrome (45331213354).

The spelling of 12021101333 in words is "twelve billion, twenty-one million, one hundred one thousand, three hundred thirty-three".