12200212211111 has 2 divisors, whose sum is σ = 12200212211112. Its totient is φ = 12200212211110.

The previous prime is 12200212211081. The next prime is 12200212211119. The reversal of 12200212211111 is 11111221200221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200212211111 is a prime.

It is a super-2 number, since 2×12200212211111² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12200212211111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200212211119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100106105555 + 6100106105556.

It is an arithmetic number, because the mean of its divisors is an integer number (6100106105556).

Almost surely, 2^{12200212211111} is an apocalyptic number.

12200212211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200212211111 is an equidigital number, since it uses as much as digits as its factorization.

12200212211111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12200212211111 its reverse (11111221200221), we get a palindrome (23311433411332).

The spelling of 12200212211111 in words is "twelve trillion, two hundred billion, two hundred twelve million, two hundred eleven thousand, one hundred eleven".