12212102022111 has 24 divisors (see below), whose sum is σ = 18325517508480. Its totient is φ = 8126940508632.

The previous prime is 12212102022077. The next prime is 12212102022137. The reversal of 12212102022111 is 11122020121221.

12212102022111 is a `hidden beast` number, since 1 + 221 + 210 + 2 + 0 + 221 + 11 = 666.

12212102022111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12212102022111 - 2⁶ = 12212102022047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212102022161) 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, 44495131 + ... + 44768748.

It is an arithmetic number, because the mean of its divisors is an integer number (763563229520).

Almost surely, 2^{12212102022111} is an apocalyptic number.

12212102022111 is a deficient number, since it is larger than the sum of its proper divisors (6113415486369).

12212102022111 is an frugal number, since it uses more digits than its factorization.

12212102022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89264457 (or 89264445 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212102022111 its reverse (11122020121221), we get a palindrome (23334122143332).

The spelling of 12212102022111 in words is "twelve trillion, two hundred twelve billion, one hundred two million, twenty-two thousand, one hundred eleven".