11203120230 has 32 divisors (see below), whose sum is σ = 26947404000. Its totient is φ = 2980841472.

The previous prime is 11203120223. The next prime is 11203120259. The reversal of 11203120230 is 3202130211.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 402385 + ... + 429324.

It is an arithmetic number, because the mean of its divisors is an integer number (842106375).

Almost surely, 2^11203120230 is an apocalyptic number.

11203120230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11203120230 is an abundant number, since it is smaller than the sum of its proper divisors (15744283770).

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

11203120230 is a wasteful number, since it uses less digits than its factorization.

11203120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832168.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11203120230 its reverse (3202130211), we get a palindrome (14405250441).

The spelling of 11203120230 in words is "eleven billion, two hundred three million, one hundred twenty thousand, two hundred thirty".