11112421231 has 8 divisors (see below), whose sum is σ = 11866435200. Its totient is φ = 10383129120.

The previous prime is 11112421217. The next prime is 11112421237. The reversal of 11112421231 is 13212421111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112421231 - 2¹¹ = 11112419183 is a prime.

It is a super-2 number, since 2×11112421231² (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 = 11112421199 and 11112421208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112421237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6179536 + ... + 6181333.

It is an arithmetic number, because the mean of its divisors is an integer number (1483304400).

Almost surely, 2^11112421231 is an apocalyptic number.

11112421231 is a deficient number, since it is larger than the sum of its proper divisors (754013969).

11112421231 is a wasteful number, since it uses less digits than its factorization.

11112421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360929.

The product of its digits is 96, while the sum is 19.

Adding to 11112421231 its reverse (13212421111), we get a palindrome (24324842342).

It can be divided in two parts, 111124 and 21231, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 11112421231 in words is "eleven billion, one hundred twelve million, four hundred twenty-one thousand, two hundred thirty-one".