12001011101011 has 8 divisors (see below), whose sum is σ = 12041994950064. Its totient is φ = 11960046911520.

The previous prime is 12001011101003. The next prime is 12001011101063. The reversal of 12001011101011 is 11010111010021.

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

It is a cyclic number.

It is not a de Polignac number, because 12001011101011 - 2³ = 12001011101003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001011101081) 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, 3691405 + ... + 6134206.

It is an arithmetic number, because the mean of its divisors is an integer number (1505249368758).

Almost surely, 2^{12001011101011} is an apocalyptic number.

12001011101011 is a deficient number, since it is larger than the sum of its proper divisors (40983849053).

12001011101011 is an equidigital number, since it uses as much as digits as its factorization.

12001011101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829781.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 12001011101011 its reverse (11010111010021), we get a palindrome (23011122111032).

The spelling of 12001011101011 in words is "twelve trillion, one billion, eleven million, one hundred one thousand, eleven".