211113121322 has 4 divisors (see below), whose sum is σ = 316669681986. Its totient is φ = 105556560660.

The previous prime is 211113121277. The next prime is 211113121397. The reversal of 211113121322 is 223121311112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 181553540281 + 29559581041 = 426091^2 + 171929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211113121294 and 211113121303.

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 as a sum of consecutive naturals, namely, 52778280329 + ... + 52778280332.

Almost surely, 2^211113121322 is an apocalyptic number.

211113121322 is a deficient number, since it is larger than the sum of its proper divisors (105556560664).

211113121322 is a wasteful number, since it uses less digits than its factorization.

211113121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105556560663.

The product of its digits is 144, while the sum is 20.

Adding to 211113121322 its reverse (223121311112), we get a palindrome (434234432434).

The spelling of 211113121322 in words is "two hundred eleven billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred twenty-two".