211421024234 has 16 divisors (see below), whose sum is σ = 374933836800. Its totient is φ = 87484561584.

The previous prime is 211421024233. The next prime is 211421024239. The reversal of 211421024234 is 432420124112.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211421024233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260370314 + ... + 260371125.

It is an arithmetic number, because the mean of its divisors is an integer number (23433364800).

Almost surely, 2^211421024234 is an apocalyptic number.

211421024234 is a deficient number, since it is larger than the sum of its proper divisors (163512812566).

211421024234 is a wasteful number, since it uses less digits than its factorization.

211421024234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520741477.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211421024234 its reverse (432420124112), we get a palindrome (643841148346).

The spelling of 211421024234 in words is "two hundred eleven billion, four hundred twenty-one million, twenty-four thousand, two hundred thirty-four".