1121222230223 has 4 divisors (see below), whose sum is σ = 1122233252280. Its totient is φ = 1120211208168.

The previous prime is 1121222230201. The next prime is 1121222230291. The reversal of 1121222230223 is 3220322221211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121222230223 - 2¹² = 1121222226127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121222230423) 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, 505509365 + ... + 505511582.

It is an arithmetic number, because the mean of its divisors is an integer number (280558313070).

Almost surely, 2^{1121222230223} is an apocalyptic number.

1121222230223 is a deficient number, since it is larger than the sum of its proper divisors (1011022057).

1121222230223 is a wasteful number, since it uses less digits than its factorization.

1121222230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011022056.

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

Adding to 1121222230223 its reverse (3220322221211), we get a palindrome (4341544451434).

The spelling of 1121222230223 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred thirty thousand, two hundred twenty-three".