211120440122 has 8 divisors (see below), whose sum is σ = 316828855956. Its totient is φ = 105510821472.

The previous prime is 211120440121. The next prime is 211120440161. The reversal of 211120440122 is 221044021112.

It can be written as a sum of positive squares in 2 ways, for example, as 211029065641 + 91374481 = 459379^2 + 9559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211120440094 and 211120440103.

It is not an unprimeable number, because it can be changed into a prime (211120440121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24693953 + ... + 24702500.

Almost surely, 2^211120440122 is an apocalyptic number.

211120440122 is a deficient number, since it is larger than the sum of its proper divisors (105708415834).

211120440122 is a wasteful number, since it uses less digits than its factorization.

211120440122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49398592.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211120440122 its reverse (221044021112), we get a palindrome (432164461234).

The spelling of 211120440122 in words is "two hundred eleven billion, one hundred twenty million, four hundred forty thousand, one hundred twenty-two".