12100201121111 has 4 divisors (see below), whose sum is σ = 12280801137912. Its totient is φ = 11919601104312.

The previous prime is 12100201121089. The next prime is 12100201121123. The reversal of 12100201121111 is 11112110200121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12100201121111 - 2¹⁰ = 12100201120087 is a prime.

It is a super-3 number, since 3×12100201121111³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100201121161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90300008300 + ... + 90300008433.

It is an arithmetic number, because the mean of its divisors is an integer number (3070200284478).

Almost surely, 2^{12100201121111} is an apocalyptic number.

12100201121111 is a deficient number, since it is larger than the sum of its proper divisors (180600016801).

12100201121111 is an equidigital number, since it uses as much as digits as its factorization.

12100201121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180600016800.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12100201121111 its reverse (11112110200121), we get a palindrome (23212311321232).

The spelling of 12100201121111 in words is "twelve trillion, one hundred billion, two hundred one million, one hundred twenty-one thousand, one hundred eleven".