12200221211111 has 16 divisors (see below), whose sum is σ = 12641872793088. Its totient is φ = 11766693204000.

The previous prime is 12200221211053. The next prime is 12200221211119. The reversal of 12200221211111 is 11111212200221.

It is not a de Polignac number, because 12200221211111 - 2¹⁸ = 12200220948967 is a prime.

It is a super-3 number, since 3×12200221211111³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12200221211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200221211119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4541360 + ... + 6710021.

It is an arithmetic number, because the mean of its divisors is an integer number (790117049568).

Almost surely, 2^{12200221211111} is an apocalyptic number.

12200221211111 is a deficient number, since it is larger than the sum of its proper divisors (441651581977).

12200221211111 is a wasteful number, since it uses less digits than its factorization.

12200221211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11251742.

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

Adding to 12200221211111 its reverse (11111212200221), we get a palindrome (23311433411332).

The spelling of 12200221211111 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, two hundred eleven thousand, one hundred eleven".