1121003113323 has 4 divisors (see below), whose sum is σ = 1494670817768. Its totient is φ = 747335408880.

The previous prime is 1121003113303. The next prime is 1121003113339. The reversal of 1121003113323 is 3233113001211.

It is a happy number.

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

It is not a de Polignac number, because 1121003113323 - 2⁵ = 1121003113291 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 1121003113323.

It is not an unprimeable number, because it can be changed into a prime (1121003113303) 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, 186833852218 + ... + 186833852223.

It is an arithmetic number, because the mean of its divisors is an integer number (373667704442).

Almost surely, 2^{1121003113323} is an apocalyptic number.

1121003113323 is a deficient number, since it is larger than the sum of its proper divisors (373667704445).

1121003113323 is an equidigital number, since it uses as much as digits as its factorization.

1121003113323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373667704444.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1121003113323 its reverse (3233113001211), we get a palindrome (4354116114534).

The spelling of 1121003113323 in words is "one trillion, one hundred twenty-one billion, three million, one hundred thirteen thousand, three hundred twenty-three".