12001101011 has 2 divisors, whose sum is σ = 12001101012. Its totient is φ = 12001101010.

The previous prime is 12001100971. The next prime is 12001101019. The reversal of 12001101011 is 11010110021.

It is a happy number.

It is an a-pointer prime, because the next prime (12001101019) can be obtained adding 12001101011 to its sum of digits (8).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001101011 - 2³⁰ = 10927359187 is a prime.

It is a super-4 number, since 4×12001101011⁴ (a number of 41 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12001101011.

It is not a weakly prime, because it can be changed into another prime (12001101019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000550505 + 6000550506.

It is an arithmetic number, because the mean of its divisors is an integer number (6000550506).

Almost surely, 2^12001101011 is an apocalyptic number.

12001101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001101011 is an equidigital number, since it uses as much as digits as its factorization.

12001101011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 12001101011 its reverse (11010110021), we get a palindrome (23011211032).

The spelling of 12001101011 in words is "twelve billion, one million, one hundred one thousand, eleven".