11231030112 has 48 divisors (see below), whose sum is σ = 31033114560. Its totient is φ = 3546640512.

The previous prime is 11231030099. The next prime is 11231030113. The reversal of 11231030112 is 21103013211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×11231030112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231030091 and 11231030100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231030113) 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, 3076858 + ... + 3080505.

It is an arithmetic number, because the mean of its divisors is an integer number (646523220).

Almost surely, 2^11231030112 is an apocalyptic number.

11231030112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11231030112 is an abundant number, since it is smaller than the sum of its proper divisors (19802084448).

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

11231030112 is a wasteful number, since it uses less digits than its factorization.

11231030112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157395 (or 6157387 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11231030112 its reverse (21103013211), we get a palindrome (32334043323).

The spelling of 11231030112 in words is "eleven billion, two hundred thirty-one million, thirty thousand, one hundred twelve".