201230043211 has 4 divisors (see below), whose sum is σ = 201231552424. Its totient is φ = 201228534000.

The previous prime is 201230043193. The next prime is 201230043251. The reversal of 201230043211 is 112340032102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201230043211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201230043251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532890 + ... + 828511.

It is an arithmetic number, because the mean of its divisors is an integer number (50307888106).

Almost surely, 2^201230043211 is an apocalyptic number.

201230043211 is a deficient number, since it is larger than the sum of its proper divisors (1509213).

201230043211 is a wasteful number, since it uses less digits than its factorization.

201230043211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509212.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201230043211 its reverse (112340032102), we get a palindrome (313570075313).

The spelling of 201230043211 in words is "two hundred one billion, two hundred thirty million, forty-three thousand, two hundred eleven".