211110211122 has 16 divisors (see below), whose sum is σ = 422225806080. Its totient is φ = 70369173072.

The previous prime is 211110211111. The next prime is 211110211139. The reversal of 211110211122 is 221112011112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434079 + ... + 781437.

It is an arithmetic number, because the mean of its divisors is an integer number (26389112880).

Almost surely, 2^211110211122 is an apocalyptic number.

211110211122 is an abundant number, since it is smaller than the sum of its proper divisors (211115594958).

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

211110211122 is a wasteful number, since it uses less digits than its factorization.

211110211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448657.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211110211122 its reverse (221112011112), we get a palindrome (432222222234).

The spelling of 211110211122 in words is "two hundred eleven billion, one hundred ten million, two hundred eleven thousand, one hundred twenty-two".