11121232230 has 32 divisors (see below), whose sum is σ = 29656620000. Its totient is φ = 2965661856.

The previous prime is 11121232223. The next prime is 11121232249. The reversal of 11121232230 is 3223212111.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 20594605 + ... + 20595144.

It is an arithmetic number, because the mean of its divisors is an integer number (926769375).

Almost surely, 2^11121232230 is an apocalyptic number.

11121232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121232230 is an abundant number, since it is smaller than the sum of its proper divisors (18535387770).

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

11121232230 is a wasteful number, since it uses less digits than its factorization.

11121232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41189765 (or 41189759 counting only the distinct ones).

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

Adding to 11121232230 its reverse (3223212111), we get a palindrome (14344444341).

The spelling of 11121232230 in words is "eleven billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred thirty".