203111102230 has 32 divisors (see below), whose sum is σ = 368749402560. Its totient is φ = 80546119680.

The previous prime is 203111102197. The next prime is 203111102267. The reversal of 203111102230 is 32201111302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957135 + ... + 1149925.

It is an arithmetic number, because the mean of its divisors is an integer number (11523418830).

Almost surely, 2^203111102230 is an apocalyptic number.

203111102230 is a deficient number, since it is larger than the sum of its proper divisors (165638300330).

203111102230 is a wasteful number, since it uses less digits than its factorization.

203111102230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193704.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 203111102230 its reverse (32201111302), we get a palindrome (235312213532).

The spelling of 203111102230 in words is "two hundred three billion, one hundred eleven million, one hundred two thousand, two hundred thirty".