211431012241422 has 16 divisors (see below), whose sum is σ = 422907053029632. Its totient is φ = 70469499322680.

The previous prime is 211431012241297. The next prime is 211431012241439. The reversal of 211431012241422 is 224142210134112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 211431012241422.

It is a congruent number.

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, 1876128408 + ... + 1876241099.

It is an arithmetic number, because the mean of its divisors is an integer number (26431690814352).

Almost surely, 2^{211431012241422} is an apocalyptic number.

211431012241422 is an abundant number, since it is smaller than the sum of its proper divisors (211476040788210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211431012241422 is a wasteful number, since it uses less digits than its factorization.

211431012241422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752378903.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 211431012241422 its reverse (224142210134112), we get a palindrome (435573222375534).

The spelling of 211431012241422 in words is "two hundred eleven trillion, four hundred thirty-one billion, twelve million, two hundred forty-one thousand, four hundred twenty-two".