223222311121 has 4 divisors (see below), whose sum is σ = 223275249252. Its totient is φ = 223169372992.

The previous prime is 223222311119. The next prime is 223222311131. The reversal of 223222311121 is 121113222322.

223222311121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 154693542721 + 68528768400 = 393311^2 + 261780^2 .

It is a cyclic number.

It is not a de Polignac number, because 223222311121 - 2¹ = 223222311119 is a prime.

It is a super-3 number, since 3×223222311121³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223222311092 and 223222311101.

It is not an unprimeable number, because it can be changed into a prime (223222311131) 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 3 ways as a sum of consecutive naturals, for example, 26462740 + ... + 26471173.

It is an arithmetic number, because the mean of its divisors is an integer number (55818812313).

Almost surely, 2^223222311121 is an apocalyptic number.

It is an amenable number.

223222311121 is a deficient number, since it is larger than the sum of its proper divisors (52938131).

223222311121 is an equidigital number, since it uses as much as digits as its factorization.

223222311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52938130.

The product of its digits is 576, while the sum is 22.

Adding to 223222311121 its reverse (121113222322), we get a palindrome (344335533443).

The spelling of 223222311121 in words is "two hundred twenty-three billion, two hundred twenty-two million, three hundred eleven thousand, one hundred twenty-one".