2221013111333 has 4 divisors (see below), whose sum is σ = 2262919019148. Its totient is φ = 2179107203520.

The previous prime is 2221013111287. The next prime is 2221013111363. The reversal of 2221013111333 is 3331113101222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1997267083009 + 223746028324 = 1413247^2 + 473018^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221013111333 - 2⁸ = 2221013111077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221013111299 and 2221013111308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221013111363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20952953828 + ... + 20952953933.

It is an arithmetic number, because the mean of its divisors is an integer number (565729754787).

Almost surely, 2^{2221013111333} is an apocalyptic number.

It is an amenable number.

2221013111333 is a deficient number, since it is larger than the sum of its proper divisors (41905907815).

2221013111333 is an equidigital number, since it uses as much as digits as its factorization.

2221013111333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41905907814.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2221013111333 its reverse (3331113101222), we get a palindrome (5552126212555).

The spelling of 2221013111333 in words is "two trillion, two hundred twenty-one billion, thirteen million, one hundred eleven thousand, three hundred thirty-three".