211203321424 has 20 divisors (see below), whose sum is σ = 409833111636. Its totient is φ = 105439937792.

The previous prime is 211203321341. The next prime is 211203321431. The reversal of 211203321424 is 424123302112.

211203321424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25414736400 + 185788585024 = 159420^2 + 431032^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10096909 + ... + 10117804.

Almost surely, 2^211203321424 is an apocalyptic number.

It is an amenable number.

211203321424 is a deficient number, since it is larger than the sum of its proper divisors (198629790212).

211203321424 is a wasteful number, since it uses less digits than its factorization.

211203321424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20215374 (or 20215368 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211203321424 its reverse (424123302112), we get a palindrome (635326623536).

The spelling of 211203321424 in words is "two hundred eleven billion, two hundred three million, three hundred twenty-one thousand, four hundred twenty-four".