12200121220111 has 8 divisors (see below), whose sum is σ = 13496676997248. Its totient is φ = 10934807751000.

The previous prime is 12200121220033. The next prime is 12200121220277. The reversal of 12200121220111 is 11102212100221.

12200121220111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12200121220111 - 2¹³ = 12200121211919 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 (12200121220811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7810576185 + ... + 7810577746.

It is an arithmetic number, because the mean of its divisors is an integer number (1687084624656).

Almost surely, 2^{12200121220111} is an apocalyptic number.

12200121220111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12200121220111 is a deficient number, since it is larger than the sum of its proper divisors (1296555777137).

12200121220111 is a wasteful number, since it uses less digits than its factorization.

12200121220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621154013.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12200121220111 its reverse (11102212100221), we get a palindrome (23302333320332).

The spelling of 12200121220111 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two hundred twenty thousand, one hundred eleven".