211001111122 has 16 divisors (see below), whose sum is σ = 352757276640. Its totient is φ = 94068606528.

The previous prime is 211001111117. The next prime is 211001111171. The reversal of 211001111122 is 221111100112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163312908 + ... + 163314199.

It is an arithmetic number, because the mean of its divisors is an integer number (22047329790).

Almost surely, 2^211001111122 is an apocalyptic number.

211001111122 is a deficient number, since it is larger than the sum of its proper divisors (141756165518).

211001111122 is a wasteful number, since it uses less digits than its factorization.

211001111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326627145.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211001111122 its reverse (221111100112), we get a palindrome (432112211234).

The spelling of 211001111122 in words is "two hundred eleven billion, one million, one hundred eleven thousand, one hundred twenty-two".