1121303211223 has 8 divisors (see below), whose sum is σ = 1207696337568. Its totient is φ = 1034929946784.

The previous prime is 1121303211209. The next prime is 1121303211233. The reversal of 1121303211223 is 3221123031211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121303211223 - 2⁹ = 1121303210711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121303211194 and 1121303211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121303211233) 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, 4848115 + ... + 5074132.

It is an arithmetic number, because the mean of its divisors is an integer number (150962042196).

Almost surely, 2^{1121303211223} is an apocalyptic number.

1121303211223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121303211223 is a deficient number, since it is larger than the sum of its proper divisors (86393126345).

1121303211223 is an equidigital number, since it uses as much as digits as its factorization.

1121303211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930953.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1121303211223 its reverse (3221123031211), we get a palindrome (4342426242434).

The spelling of 1121303211223 in words is "one trillion, one hundred twenty-one billion, three hundred three million, two hundred eleven thousand, two hundred twenty-three".