21330220111333 has 48 divisors (see below), whose sum is σ = 25672531518144. Its totient is φ = 17663266494720.

The previous prime is 21330220111331. The next prime is 21330220111351. The reversal of 21330220111333 is 33311102203312.

It is not a de Polignac number, because 21330220111333 - 2¹ = 21330220111331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21330220111298 and 21330220111307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330220111331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37045303 + ... + 37616683.

It is an arithmetic number, because the mean of its divisors is an integer number (534844406628).

Almost surely, 2^{21330220111333} is an apocalyptic number.

It is an amenable number.

21330220111333 is a deficient number, since it is larger than the sum of its proper divisors (4342311406811).

21330220111333 is a wasteful number, since it uses less digits than its factorization.

21330220111333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571682 (or 571675 counting only the distinct ones).

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

Adding to 21330220111333 its reverse (33311102203312), we get a palindrome (54641322314645).

The spelling of 21330220111333 in words is "twenty-one trillion, three hundred thirty billion, two hundred twenty million, one hundred eleven thousand, three hundred thirty-three".