211200112122 has 32 divisors (see below), whose sum is σ = 424214703360. Its totient is φ = 70098269760.

The previous prime is 211200112121. The next prime is 211200112147. The reversal of 211200112122 is 221211002112.

It is not an unprimeable number, because it can be changed into a prime (211200112121) 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, 1236048 + ... + 1396500.

It is an arithmetic number, because the mean of its divisors is an integer number (13256709480).

Almost surely, 2^211200112122 is an apocalyptic number.

211200112122 is an abundant number, since it is smaller than the sum of its proper divisors (213014591238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211200112122 is a wasteful number, since it uses less digits than its factorization.

211200112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161398.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211200112122 its reverse (221211002112), we get a palindrome (432411114234).

The spelling of 211200112122 in words is "two hundred eleven billion, two hundred million, one hundred twelve thousand, one hundred twenty-two".