223322221121 has 2 divisors, whose sum is σ = 223322221122. Its totient is φ = 223322221120.

The previous prime is 223322221079. The next prime is 223322221141. The reversal of 223322221121 is 121122223322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207411930625 + 15910290496 = 455425^2 + 126136^2 .

It is a cyclic number.

It is not a de Polignac number, because 223322221121 - 2³⁴ = 206142351937 is a prime.

It is not a weakly prime, because it can be changed into another prime (223322221141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111661110560 + 111661110561.

It is an arithmetic number, because the mean of its divisors is an integer number (111661110561).

Almost surely, 2^223322221121 is an apocalyptic number.

It is an amenable number.

223322221121 is a deficient number, since it is larger than the sum of its proper divisors (1).

223322221121 is an equidigital number, since it uses as much as digits as its factorization.

223322221121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

Adding to 223322221121 its reverse (121122223322), we get a palindrome (344444444443).

The spelling of 223322221121 in words is "two hundred twenty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".