12100010011011 has 24 divisors (see below), whose sum is σ = 19429406761856. Its totient is φ = 7205961294720.

The previous prime is 12100010011003. The next prime is 12100010011049. The reversal of 12100010011011 is 11011001000121.

It is not a de Polignac number, because 12100010011011 - 2³ = 12100010011003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12100010010984 and 12100010011002.

It is not an unprimeable number, because it can be changed into a prime (12100010011081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1668042970 + ... + 1668050223.

Almost surely, 2^{12100010011011} is an apocalyptic number.

12100010011011 is a deficient number, since it is larger than the sum of its proper divisors (7329396750845).

12100010011011 is a wasteful number, since it uses less digits than its factorization.

12100010011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336093243 (or 3336093240 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 12100010011011 its reverse (11011001000121), we get a palindrome (23111011011132).

The spelling of 12100010011011 in words is "twelve trillion, one hundred billion, ten million, eleven thousand, eleven".