212201122102111 has 16 divisors (see below), whose sum is σ = 225068556387168. Its totient is φ = 199376630656000.

The previous prime is 212201122102037. The next prime is 212201122102117. The reversal of 212201122102111 is 111201221102212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212201122102111 - 2²⁷ = 212200987884383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201122102117) 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, 39051891 + ... + 44152603.

It is an arithmetic number, because the mean of its divisors is an integer number (14066784774198).

Almost surely, 2^{212201122102111} is an apocalyptic number.

212201122102111 is a deficient number, since it is larger than the sum of its proper divisors (12867434285057).

212201122102111 is a wasteful number, since it uses less digits than its factorization.

212201122102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104922.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212201122102111 its reverse (111201221102212), we get a palindrome (323402343204323).

The spelling of 212201122102111 in words is "two hundred twelve trillion, two hundred one billion, one hundred twenty-two million, one hundred two thousand, one hundred eleven".