211022412452242 has 16 divisors (see below), whose sum is σ = 335154157021440. Its totient is φ = 99304393953088.

The previous prime is 211022412452227. The next prime is 211022412452261. The reversal of 211022412452242 is 242254214220112.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 211022412452198 and 211022412452207.

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, 4481283 + ... + 21026809.

It is an arithmetic number, because the mean of its divisors is an integer number (20947134813840).

Almost surely, 2^{211022412452242} is an apocalyptic number.

211022412452242 is a deficient number, since it is larger than the sum of its proper divisors (124131744569198).

211022412452242 is a wasteful number, since it uses less digits than its factorization.

211022412452242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16920665.

The product of its (nonzero) digits is 40960, while the sum is 34.

Adding to 211022412452242 its reverse (242254214220112), we get a palindrome (453276626672354).

The spelling of 211022412452242 in words is "two hundred eleven trillion, twenty-two billion, four hundred twelve million, four hundred fifty-two thousand, two hundred forty-two".