12200211111 has 24 divisors (see below), whose sum is σ = 17893881712. Its totient is φ = 7388409600.

The previous prime is 12200211091. The next prime is 12200211119. The reversal of 12200211111 is 11111200221.

It is not a de Polignac number, because 12200211111 - 2¹³ = 12200202919 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 (12200211119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489135 + ... + 513471.

Almost surely, 2^12200211111 is an apocalyptic number.

12200211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12200211111 is a deficient number, since it is larger than the sum of its proper divisors (5693670601).

12200211111 is a wasteful number, since it uses less digits than its factorization.

12200211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25743 (or 25732 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12200211111 its reverse (11111200221), we get a palindrome (23311411332).

The spelling of 12200211111 in words is "twelve billion, two hundred million, two hundred eleven thousand, one hundred eleven".