203030411211 has 6 divisors (see below), whose sum is σ = 293266149540. Its totient is φ = 135353607468.

The previous prime is 203030411203. The next prime is 203030411263. The reversal of 203030411211 is 112114030302.

203030411211 is a `hidden beast` number, since 203 + 0 + 30 + 411 + 21 + 1 = 666.

It is not a de Polignac number, because 203030411211 - 2³ = 203030411203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203030411611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11279467281 + ... + 11279467298.

It is an arithmetic number, because the mean of its divisors is an integer number (48877691590).

Almost surely, 2^203030411211 is an apocalyptic number.

203030411211 is a deficient number, since it is larger than the sum of its proper divisors (90235738329).

203030411211 is a wasteful number, since it uses less digits than its factorization.

203030411211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22558934585 (or 22558934582 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 203030411211 its reverse (112114030302), we get a palindrome (315144441513).

The spelling of 203030411211 in words is "two hundred three billion, thirty million, four hundred eleven thousand, two hundred eleven".