223322001321121 has 4 divisors (see below), whose sum is σ = 223358774256772. Its totient is φ = 223285228385472.

The previous prime is 223322001321053. The next prime is 223322001321151. The reversal of 223322001321121 is 121123100223322.

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 112422251820096 + 110899749501025 = 10602936^2 + 10530895^2 .

It is a cyclic number.

It is not a de Polignac number, because 223322001321121 - 2²¹ = 223321999223969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223322001321151) 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, 18386458716 + ... + 18386470861.

It is an arithmetic number, because the mean of its divisors is an integer number (55839693564193).

Almost surely, 2^{223322001321121} is an apocalyptic number.

It is an amenable number.

223322001321121 is a deficient number, since it is larger than the sum of its proper divisors (36772935651).

223322001321121 is an equidigital number, since it uses as much as digits as its factorization.

223322001321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36772935650.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 223322001321121 its reverse (121123100223322), we get a palindrome (344445101544443).

The spelling of 223322001321121 in words is "two hundred twenty-three trillion, three hundred twenty-two billion, one million, three hundred twenty-one thousand, one hundred twenty-one".