2221302233021 has 8 divisors (see below), whose sum is σ = 2252945904000. Its totient is φ = 2189863375920.

The previous prime is 2221302232987. The next prime is 2221302233071. The reversal of 2221302233021 is 1203322031222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221302233021 - 2¹⁰ = 2221302231997 is a prime.

It is a super-2 number, since 2×2221302233021² (a number of 25 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 (2221302233071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51181625 + ... + 51225006.

It is an arithmetic number, because the mean of its divisors is an integer number (281618238000).

Almost surely, 2^{2221302233021} is an apocalyptic number.

It is an amenable number.

2221302233021 is a deficient number, since it is larger than the sum of its proper divisors (31643670979).

2221302233021 is a wasteful number, since it uses less digits than its factorization.

2221302233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102406939.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2221302233021 its reverse (1203322031222), we get a palindrome (3424624264243).

The spelling of 2221302233021 in words is "two trillion, two hundred twenty-one billion, three hundred two million, two hundred thirty-three thousand, twenty-one".