211533205230 has 48 divisors (see below), whose sum is σ = 550009581264. Its totient is φ = 56406470400.

The previous prime is 211533205207. The next prime is 211533205237. The reversal of 211533205230 is 32502335112.

It is a happy number.

211533205230 is a `hidden beast` number, since 2 + 115 + 3 + 3 + 20 + 523 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 211533205194 and 211533205203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211533205237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3466342 + ... + 3526838.

It is an arithmetic number, because the mean of its divisors is an integer number (11458532943).

Almost surely, 2^211533205230 is an apocalyptic number.

211533205230 is an abundant number, since it is smaller than the sum of its proper divisors (338476376034).

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

211533205230 is a wasteful number, since it uses less digits than its factorization.

211533205230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99361 (or 99358 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 211533205230 in words is "two hundred eleven billion, five hundred thirty-three million, two hundred five thousand, two hundred thirty".