2223312211121 has 8 divisors (see below), whose sum is σ = 2228428274688. Its totient is φ = 2218197418000.

The previous prime is 2223312211117. The next prime is 2223312211129. The reversal of 2223312211121 is 1211122133222.

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 2223312211121 - 2² = 2223312211117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223312211129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3232016 + ... + 3859086.

It is an arithmetic number, because the mean of its divisors is an integer number (278553534336).

Almost surely, 2^{2223312211121} is an apocalyptic number.

It is an amenable number.

2223312211121 is a deficient number, since it is larger than the sum of its proper divisors (5116063567).

2223312211121 is an equidigital number, since it uses as much as digits as its factorization.

2223312211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635223.

The product of its digits is 576, while the sum is 23.

Adding to 2223312211121 its reverse (1211122133222), we get a palindrome (3434434344343).

The spelling of 2223312211121 in words is "two trillion, two hundred twenty-three billion, three hundred twelve million, two hundred eleven thousand, one hundred twenty-one".