11121320232 has 48 divisors (see below), whose sum is σ = 32858448480. Its totient is φ = 3370096800.

The previous prime is 11121320191. The next prime is 11121320257. The reversal of 11121320232 is 23202312111.

11121320232 is a `hidden beast` number, since 1 + 112 + 1 + 320 + 232 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7020244 + ... + 7021827.

It is an arithmetic number, because the mean of its divisors is an integer number (684551010).

Almost surely, 2^11121320232 is an apocalyptic number.

11121320232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121320232 is an abundant number, since it is smaller than the sum of its proper divisors (21737128248).

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

11121320232 is a wasteful number, since it uses less digits than its factorization.

11121320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14042094 (or 14042087 counting only the distinct ones).

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

Adding to 11121320232 its reverse (23202312111), we get a palindrome (34323632343).

The spelling of 11121320232 in words is "eleven billion, one hundred twenty-one million, three hundred twenty thousand, two hundred thirty-two".