1121022223 has 2 divisors, whose sum is σ = 1121022224. Its totient is φ = 1121022222.

The previous prime is 1121022209. The next prime is 1121022247. The reversal of 1121022223 is 3222201211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121022223 - 2⁹ = 1121021711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121022197 and 1121022206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121032223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560511111 + 560511112.

It is an arithmetic number, because the mean of its divisors is an integer number (560511112).

Almost surely, 2^1121022223 is an apocalyptic number.

1121022223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121022223 is an equidigital number, since it uses as much as digits as its factorization.

1121022223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1121022223 is about 33481.6699553651. The cubic root of 1121022223 is about 1038.8146699465.

Adding to 1121022223 its reverse (3222201211), we get a palindrome (4343223434).

It can be divided in two parts, 11210 and 22223, that added together give a palindrome (33433).

The spelling of 1121022223 in words is "one billion, one hundred twenty-one million, twenty-two thousand, two hundred twenty-three".