11112424321 has 16 divisors (see below), whose sum is σ = 11398464000. Its totient is φ = 10830950208.

The previous prime is 11112424313. The next prime is 11112424369. The reversal of 11112424321 is 12342421111.

It is a cyclic number.

It is not a de Polignac number, because 11112424321 - 2³ = 11112424313 is a prime.

It is a super-2 number, since 2×11112424321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112424292 and 11112424301.

It is not an unprimeable number, because it can be changed into a prime (11112824321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962931 + ... + 1968583.

It is an arithmetic number, because the mean of its divisors is an integer number (712404000).

Almost surely, 2^11112424321 is an apocalyptic number.

It is an amenable number.

11112424321 is a deficient number, since it is larger than the sum of its proper divisors (286039679).

11112424321 is a wasteful number, since it uses less digits than its factorization.

11112424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048.

The product of its digits is 384, while the sum is 22.

Adding to 11112424321 its reverse (12342421111), we get a palindrome (23454845432).

The spelling of 11112424321 in words is "eleven billion, one hundred twelve million, four hundred twenty-four thousand, three hundred twenty-one".