211002122120122 has 16 divisors (see below), whose sum is σ = 330340183832232. Its totient is φ = 100985829268480.

The previous prime is 211002122120099. The next prime is 211002122120197. The reversal of 211002122120122 is 221021221200112.

It can be written as a sum of positive squares in 4 ways, for example, as 176378559616081 + 34623562504041 = 13280759^2 + 5884179^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211002122120122.

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, 24275435383 + ... + 24275444074.

Almost surely, 2^{211002122120122} is an apocalyptic number.

211002122120122 is a deficient number, since it is larger than the sum of its proper divisors (119338061712110).

211002122120122 is a wasteful number, since it uses less digits than its factorization.

211002122120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48550879553.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211002122120122 its reverse (221021221200112), we get a palindrome (432023343320234).

The spelling of 211002122120122 in words is "two hundred eleven trillion, two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty-two".