212200211211111 has 32 divisors (see below), whose sum is σ = 314810752688640. Its totient is φ = 141268808116800.

The previous prime is 212200211211097. The next prime is 212200211211139. The reversal of 212200211211111 is 111112112002212.

It is a happy number.

212200211211111 is a `hidden beast` number, since 21 + 220 + 0 + 211 + 211 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 212200211211111 - 2⁷ = 212200211210983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200211211161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242655096 + ... + 243528018.

It is an arithmetic number, because the mean of its divisors is an integer number (9837836021520).

Almost surely, 2^{212200211211111} is an apocalyptic number.

212200211211111 is a deficient number, since it is larger than the sum of its proper divisors (102610541477529).

212200211211111 is a wasteful number, since it uses less digits than its factorization.

212200211211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885524 (or 885518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 212200211211111 its reverse (111112112002212), we get a palindrome (323312323213323).

The spelling of 212200211211111 in words is "two hundred twelve trillion, two hundred billion, two hundred eleven million, two hundred eleven thousand, one hundred eleven".