1122121110223 has 8 divisors (see below), whose sum is σ = 1161882881280. Its totient is φ = 1082430535200.

The previous prime is 1122121110199. The next prime is 1122121110289. The reversal of 1122121110223 is 3220111212211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122121110223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122121110223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122121110923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17766928 + ... + 17829973.

It is an arithmetic number, because the mean of its divisors is an integer number (145235360160).

Almost surely, 2^{1122121110223} is an apocalyptic number.

1122121110223 is a deficient number, since it is larger than the sum of its proper divisors (39761771057).

1122121110223 is a wasteful number, since it uses less digits than its factorization.

1122121110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35598017.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1122121110223 its reverse (3220111212211), we get a palindrome (4342232322434).

The spelling of 1122121110223 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, two hundred twenty-three".