2221220110323 has 4 divisors (see below), whose sum is σ = 2961626813768. Its totient is φ = 1480813406880.

The previous prime is 2221220110301. The next prime is 2221220110339. The reversal of 2221220110323 is 3230110221222.

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

It is not a de Polignac number, because 2221220110323 - 2¹² = 2221220106227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221220110323.

It is not an unprimeable number, because it can be changed into a prime (2221220130323) 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, 370203351718 + ... + 370203351723.

It is an arithmetic number, because the mean of its divisors is an integer number (740406703442).

Almost surely, 2^{2221220110323} is an apocalyptic number.

2221220110323 is a deficient number, since it is larger than the sum of its proper divisors (740406703445).

2221220110323 is an equidigital number, since it uses as much as digits as its factorization.

2221220110323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740406703444.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2221220110323 its reverse (3230110221222), we get a palindrome (5451330331545).

The spelling of 2221220110323 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, one hundred ten thousand, three hundred twenty-three".