21330122311133 has 4 divisors (see below), whose sum is σ = 21330170573280. Its totient is φ = 21330074048988.

The previous prime is 21330122311073. The next prime is 21330122311177. The reversal of 21330122311133 is 33111322103312.

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 a cyclic number.

It is not a de Polignac number, because 21330122311133 - 2⁴⁰ = 20230610683357 is a prime.

It is a super-3 number, since 3×21330122311133³ (a number of 41 digits) contains 333 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 (21330122311033) 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, 23461943 + ... + 24354116.

It is an arithmetic number, because the mean of its divisors is an integer number (5332542643320).

Almost surely, 2^{21330122311133} is an apocalyptic number.

It is an amenable number.

21330122311133 is a deficient number, since it is larger than the sum of its proper divisors (48262147).

21330122311133 is an equidigital number, since it uses as much as digits as its factorization.

21330122311133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48262146.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21330122311133 its reverse (33111322103312), we get a palindrome (54441444414445).

The spelling of 21330122311133 in words is "twenty-one trillion, three hundred thirty billion, one hundred twenty-two million, three hundred eleven thousand, one hundred thirty-three".