212200112220111 has 24 divisors (see below), whose sum is σ = 319847953850880. Its totient is φ = 135311739011856.

The previous prime is 212200112220097. The next prime is 212200112220127. The reversal of 212200112220111 is 111022211002212.

212200112220111 is a `hidden beast` number, since 2 + 1 + 220 + 0 + 112 + 220 + 111 = 666.

It is not a de Polignac number, because 212200112220111 - 2⁷ = 212200112219983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200112420111) 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, 9616531 + ... + 22734948.

It is an arithmetic number, because the mean of its divisors is an integer number (13326998077120).

Almost surely, 2^{212200112220111} is an apocalyptic number.

212200112220111 is a deficient number, since it is larger than the sum of its proper divisors (107647841630769).

212200112220111 is a wasteful number, since it uses less digits than its factorization.

212200112220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32383195 (or 32383192 counting only the distinct ones).

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

Adding to 212200112220111 its reverse (111022211002212), we get a palindrome (323222323222323).

The spelling of 212200112220111 in words is "two hundred twelve trillion, two hundred billion, one hundred twelve million, two hundred twenty thousand, one hundred eleven".