12111022303 has 4 divisors (see below), whose sum is σ = 12111642720. Its totient is φ = 12110401888.

The previous prime is 12111022279. The next prime is 12111022331. The reversal of 12111022303 is 30322011121.

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 12111022303 - 2³³ = 3521087711 is a prime.

It is a super-2 number, since 2×12111022303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111022333) 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, 279943 + ... + 320296.

It is an arithmetic number, because the mean of its divisors is an integer number (3027910680).

Almost surely, 2^12111022303 is an apocalyptic number.

12111022303 is a deficient number, since it is larger than the sum of its proper divisors (620417).

12111022303 is an equidigital number, since it uses as much as digits as its factorization.

12111022303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620416.

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

Adding to 12111022303 its reverse (30322011121), we get a palindrome (42433033424).

The spelling of 12111022303 in words is "twelve billion, one hundred eleven million, twenty-two thousand, three hundred three".