211120201112122 has 16 divisors (see below), whose sum is σ = 316708724780712. Its totient is φ = 105550626549760.

The previous prime is 211120201112077. The next prime is 211120201112159. The reversal of 211120201112122 is 221211102021112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 190496059724961 + 20624141387161 = 13802031^2 + 4541381^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211120201112122.

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, 2338433622 + ... + 2338523902.

Almost surely, 2^{211120201112122} is an apocalyptic number.

211120201112122 is a deficient number, since it is larger than the sum of its proper divisors (105588523668590).

211120201112122 is a wasteful number, since it uses less digits than its factorization.

211120201112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182273.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211120201112122 its reverse (221211102021112), we get a palindrome (432331303133234).

The spelling of 211120201112122 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred one million, one hundred twelve thousand, one hundred twenty-two".