2221213220333 has 4 divisors (see below), whose sum is σ = 2227265572800. Its totient is φ = 2215160867868.

The previous prime is 2221213220263. The next prime is 2221213220357. The reversal of 2221213220333 is 3330223121222.

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 2221213220333 - 2¹² = 2221213216237 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 (2221213220393) 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, 3026175683 + ... + 3026176416.

It is an arithmetic number, because the mean of its divisors is an integer number (556816393200).

Almost surely, 2^{2221213220333} is an apocalyptic number.

It is an amenable number.

2221213220333 is a deficient number, since it is larger than the sum of its proper divisors (6052352467).

2221213220333 is an equidigital number, since it uses as much as digits as its factorization.

2221213220333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052352466.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2221213220333 its reverse (3330223121222), we get a palindrome (5551436341555).

The spelling of 2221213220333 in words is "two trillion, two hundred twenty-one billion, two hundred thirteen million, two hundred twenty thousand, three hundred thirty-three".