12101000201111 has 4 divisors (see below), whose sum is σ = 12103233275400. Its totient is φ = 12098767126824.

The previous prime is 12101000201099. The next prime is 12101000201117. The reversal of 12101000201111 is 11110200010121.

12101000201111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101000201111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101000201092 and 12101000201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101000201117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116529016 + ... + 1116539853.

It is an arithmetic number, because the mean of its divisors is an integer number (3025808318850).

Almost surely, 2^{12101000201111} is an apocalyptic number.

12101000201111 is a deficient number, since it is larger than the sum of its proper divisors (2233074289).

12101000201111 is an equidigital number, since it uses as much as digits as its factorization.

12101000201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233074288.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12101000201111 its reverse (11110200010121), we get a palindrome (23211200211232).

The spelling of 12101000201111 in words is "twelve trillion, one hundred one billion, two hundred one thousand, one hundred eleven".