11121020323 has 4 divisors (see below), whose sum is σ = 12709737520. Its totient is φ = 9532303128.

The previous prime is 11121020269. The next prime is 11121020353. The reversal of 11121020323 is 32302012111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32302012111 = 3137 ⋅10297103.

It is a cyclic number.

It is not a de Polignac number, because 11121020323 - 2³³ = 2531085731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121020297 and 11121020306.

It is not an unprimeable number, because it can be changed into a prime (11121020353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794358588 + ... + 794358601.

It is an arithmetic number, because the mean of its divisors is an integer number (3177434380).

Almost surely, 2^11121020323 is an apocalyptic number.

11121020323 is a deficient number, since it is larger than the sum of its proper divisors (1588717197).

11121020323 is an equidigital number, since it uses as much as digits as its factorization.

11121020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588717196.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11121020323 its reverse (32302012111), we get a palindrome (43423032434).

The spelling of 11121020323 in words is "eleven billion, one hundred twenty-one million, twenty thousand, three hundred twenty-three".