12111101323 has 4 divisors (see below), whose sum is σ = 12113576368. Its totient is φ = 12108626280.

The previous prime is 12111101309. The next prime is 12111101351. The reversal of 12111101323 is 32310111121.

It is a happy number.

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 12111101323 - 2⁹ = 12111100811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12111101297 and 12111101306.

It is not an unprimeable number, because it can be changed into a prime (12111108323) 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, 1230168 + ... + 1239973.

It is an arithmetic number, because the mean of its divisors is an integer number (3028394092).

Almost surely, 2^12111101323 is an apocalyptic number.

12111101323 is a deficient number, since it is larger than the sum of its proper divisors (2475045).

12111101323 is an equidigital number, since it uses as much as digits as its factorization.

12111101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475044.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12111101323 its reverse (32310111121), we get a palindrome (44421212444).

The spelling of 12111101323 in words is "twelve billion, one hundred eleven million, one hundred one thousand, three hundred twenty-three".