11130032421 has 8 divisors (see below), whose sum is σ = 16488936960. Its totient is φ = 7420021596.

The previous prime is 11130032377. The next prime is 11130032423. The reversal of 11130032421 is 12423003111.

11130032421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11130032421 - 2²⁵ = 11096477989 is a prime.

It is a super-2 number, since 2×11130032421² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11130032394 and 11130032403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130032423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206111685 + ... + 206111738.

It is an arithmetic number, because the mean of its divisors is an integer number (2061117120).

Almost surely, 2^11130032421 is an apocalyptic number.

It is an amenable number.

11130032421 is a deficient number, since it is larger than the sum of its proper divisors (5358904539).

11130032421 is an equidigital number, since it uses as much as digits as its factorization.

11130032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412223432 (or 412223426 counting only the distinct ones).

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

Adding to 11130032421 its reverse (12423003111), we get a palindrome (23553035532).

The spelling of 11130032421 in words is "eleven billion, one hundred thirty million, thirty-two thousand, four hundred twenty-one".