12200201111111 has 6 divisors (see below), whose sum is σ = 13210868658960. Its totient is φ = 11261724102408.

The previous prime is 12200201111101. The next prime is 12200201111159. The reversal of 12200201111111 is 11111110200221.

It is not a de Polignac number, because 12200201111111 - 2¹⁸ = 12200200848967 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 (12200201111101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36095269391 + ... + 36095269728.

It is an arithmetic number, because the mean of its divisors is an integer number (2201811443160).

Almost surely, 2^{12200201111111} is an apocalyptic number.

12200201111111 is a deficient number, since it is larger than the sum of its proper divisors (1010667547849).

12200201111111 is an equidigital number, since it uses as much as digits as its factorization.

12200201111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72190539145 (or 72190539132 counting only the distinct ones).

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

Adding to 12200201111111 its reverse (11111110200221), we get a palindrome (23311311311332).

The spelling of 12200201111111 in words is "twelve trillion, two hundred billion, two hundred one million, one hundred eleven thousand, one hundred eleven".