11021115323 has 4 divisors (see below), whose sum is σ = 11052694800. Its totient is φ = 10989535848.

The previous prime is 11021115227. The next prime is 11021115397. The reversal of 11021115323 is 32351112011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021115323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021115295 and 11021115304.

It is not an unprimeable number, because it can be changed into a prime (11021114323) 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, 15789215 + ... + 15789912.

It is an arithmetic number, because the mean of its divisors is an integer number (2763173700).

Almost surely, 2^11021115323 is an apocalyptic number.

11021115323 is a deficient number, since it is larger than the sum of its proper divisors (31579477).

11021115323 is an equidigital number, since it uses as much as digits as its factorization.

11021115323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31579476.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 11021115323 its reverse (32351112011), we get a palindrome (43372227334).

The spelling of 11021115323 in words is "eleven billion, twenty-one million, one hundred fifteen thousand, three hundred twenty-three".