1121003212223 has 4 divisors (see below), whose sum is σ = 1121376758448. Its totient is φ = 1120629666000.

The previous prime is 1121003212187. The next prime is 1121003212237. The reversal of 1121003212223 is 3222123001211.

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 1121003212223 - 2⁸ = 1121003211967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121003212195 and 1121003212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121003215223) 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, 186768611 + ... + 186774612.

It is an arithmetic number, because the mean of its divisors is an integer number (280344189612).

Almost surely, 2^{1121003212223} is an apocalyptic number.

1121003212223 is a deficient number, since it is larger than the sum of its proper divisors (373546225).

1121003212223 is an equidigital number, since it uses as much as digits as its factorization.

1121003212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373546224.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1121003212223 its reverse (3222123001211), we get a palindrome (4343126213434).

The spelling of 1121003212223 in words is "one trillion, one hundred twenty-one billion, three million, two hundred twelve thousand, two hundred twenty-three".