11011421232 has 100 divisors (see below), whose sum is σ = 36423170256. Its totient is φ = 3146117760.

The previous prime is 11011421173. The next prime is 11011421233. The reversal of 11011421232 is 23212411011.

11011421232 is a `hidden beast` number, since 1 + 1 + 0 + 11 + 421 + 232 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (11011421233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 597819 + ... + 615962.

Almost surely, 2^11011421232 is an apocalyptic number.

11011421232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011421232 is an abundant number, since it is smaller than the sum of its proper divisors (25411749024).

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

11011421232 is a wasteful number, since it uses less digits than its factorization.

11011421232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213808 (or 1213793 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11011421232 its reverse (23212411011), we get a palindrome (34223832243).

The spelling of 11011421232 in words is "eleven billion, eleven million, four hundred twenty-one thousand, two hundred thirty-two".