211002122000122 has 4 divisors (see below), whose sum is σ = 316503183000186. Its totient is φ = 105501061000060.

The previous prime is 211002122000113. The next prime is 211002122000141. The reversal of 211002122000122 is 221000221200112.

It is a happy number.

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., 199889293044841 + 11112828955281 = 14138221^2 + 3333591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211002122000096 and 211002122000105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52750530500029 + ... + 52750530500032.

Almost surely, 2^{211002122000122} is an apocalyptic number.

211002122000122 is a deficient number, since it is larger than the sum of its proper divisors (105501061000064).

211002122000122 is a wasteful number, since it uses less digits than its factorization.

211002122000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105501061000063.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211002122000122 its reverse (221000221200112), we get a palindrome (432002343200234).

The spelling of 211002122000122 in words is "two hundred eleven trillion, two billion, one hundred twenty-two million, one hundred twenty-two", and thus it is an aban number.