12201102020111 has 4 divisors (see below), whose sum is σ = 12282988611000. Its totient is φ = 12119215429224.

The previous prime is 12201102020099. The next prime is 12201102020153. The reversal of 12201102020111 is 11102020110221.

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-12201102020111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201102020171) 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, 40943295221 + ... + 40943295518.

It is an arithmetic number, because the mean of its divisors is an integer number (3070747152750).

Almost surely, 2^{12201102020111} is an apocalyptic number.

12201102020111 is a deficient number, since it is larger than the sum of its proper divisors (81886590889).

12201102020111 is an equidigital number, since it uses as much as digits as its factorization.

12201102020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81886590888.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12201102020111 its reverse (11102020110221), we get a palindrome (23303122130332).

The spelling of 12201102020111 in words is "twelve trillion, two hundred one billion, one hundred two million, twenty thousand, one hundred eleven".