12011201100111 has 16 divisors (see below), whose sum is σ = 16989536831328. Its totient is φ = 7521974553600.

The previous prime is 12011201100049. The next prime is 12011201100131. The reversal of 12011201100111 is 11100110211021.

It is not a de Polignac number, because 12011201100111 - 2⁷ = 12011201099983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011201100131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225994300 + ... + 226047441.

It is an arithmetic number, because the mean of its divisors is an integer number (1061846051958).

Almost surely, 2^{12011201100111} is an apocalyptic number.

12011201100111 is a deficient number, since it is larger than the sum of its proper divisors (4978335731217).

12011201100111 is a wasteful number, since it uses less digits than its factorization.

12011201100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452042282.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12011201100111 its reverse (11100110211021), we get a palindrome (23111311311132).

The spelling of 12011201100111 in words is "twelve trillion, eleven billion, two hundred one million, one hundred thousand, one hundred eleven".