211111314122 has 16 divisors (see below), whose sum is σ = 324452878344. Its totient is φ = 102961344000.

The previous prime is 211111314097. The next prime is 211111314133. The reversal of 211111314122 is 221413111112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 181313304481 + 29798009641 = 425809^2 + 172621^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211111314094 and 211111314103.

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, 186722 + ... + 676082.

Almost surely, 2^211111314122 is an apocalyptic number.

211111314122 is a deficient number, since it is larger than the sum of its proper divisors (113341564222).

211111314122 is a wasteful number, since it uses less digits than its factorization.

211111314122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494665.

The product of its digits is 96, while the sum is 20.

Adding to 211111314122 its reverse (221413111112), we get a palindrome (432524425234).

The spelling of 211111314122 in words is "two hundred eleven billion, one hundred eleven million, three hundred fourteen thousand, one hundred twenty-two".