12111313011 has 8 divisors (see below), whose sum is σ = 18455334144. Its totient is φ = 6920750280.

The previous prime is 12111312991. The next prime is 12111313031. The reversal of 12111313011 is 11031311121.

It is an interprime number because it is at equal distance from previous prime (12111312991) and next prime (12111313031).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12111313011 - 2¹³ = 12111304819 is a prime.

It is a super-2 number, since 2×12111313011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111313031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288364575 + ... + 288364616.

It is an arithmetic number, because the mean of its divisors is an integer number (2306916768).

Almost surely, 2^12111313011 is an apocalyptic number.

12111313011 is a deficient number, since it is larger than the sum of its proper divisors (6344021133).

12111313011 is an equidigital number, since it uses as much as digits as its factorization.

12111313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576729201.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 12111313011 its reverse (11031311121), we get a palindrome (23142624132).

The spelling of 12111313011 in words is "twelve billion, one hundred eleven million, three hundred thirteen thousand, eleven".