12201110111011 has 4 divisors (see below), whose sum is σ = 12201183080632. Its totient is φ = 12201037141392.

The previous prime is 12201110110979. The next prime is 12201110111059. The reversal of 12201110111011 is 11011101110221.

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 12201110111011 - 2⁵ = 12201110110979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201110110982 and 12201110111000.

It is not an unprimeable number, because it can be changed into a prime (12201110111111) 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, 36233421 + ... + 36568606.

It is an arithmetic number, because the mean of its divisors is an integer number (3050295770158).

Almost surely, 2^{12201110111011} is an apocalyptic number.

12201110111011 is a deficient number, since it is larger than the sum of its proper divisors (72969621).

12201110111011 is an equidigital number, since it uses as much as digits as its factorization.

12201110111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72969620.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 12201110111011 its reverse (11011101110221), we get a palindrome (23212211221232).

The spelling of 12201110111011 in words is "twelve trillion, two hundred one billion, one hundred ten million, one hundred eleven thousand, eleven".