12101100011 has 96 divisors (see below), whose sum is σ = 17017190400. Its totient is φ = 8367701760.

The previous prime is 12101100001. The next prime is 12101100017. The reversal of 12101100011 is 11000110121.

It is a happy number.

It is not a de Polignac number, because 12101100011 - 2¹⁰ = 12101098987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12101100017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34673465 + ... + 34673813.

It is an arithmetic number, because the mean of its divisors is an integer number (177262400).

Almost surely, 2^12101100011 is an apocalyptic number.

12101100011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12101100011 is a deficient number, since it is larger than the sum of its proper divisors (4916090389).

12101100011 is a wasteful number, since it uses less digits than its factorization.

12101100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 494 counting only the distinct ones).

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

Adding to 12101100011 its reverse (11000110121), we get a palindrome (23101210132).

The spelling of 12101100011 in words is "twelve billion, one hundred one million, one hundred thousand, eleven".