11113421421312 has 432 divisors, whose sum is σ = 37175767050240. Its totient is φ = 3127193395200.

The previous prime is 11113421421301. The next prime is 11113421421343. The reversal of 11113421421312 is 21312412431111.

11113421421312 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 342 + 1 + 4 + 2 + 1 + 312 = 666.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1189741762 + ... + 1189751102.

It is an arithmetic number, because the mean of its divisors is an integer number (86055016320).

Almost surely, 2^{11113421421312} is an apocalyptic number.

11113421421312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11113421421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18587883525120).

11113421421312 is an abundant number, since it is smaller than the sum of its proper divisors (26062345628928).

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

11113421421312 is a wasteful number, since it uses less digits than its factorization.

11113421421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10480 (or 10463 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 11113421421312 its reverse (21312412431111), we get a palindrome (32425833852423).

The spelling of 11113421421312 in words is "eleven trillion, one hundred thirteen billion, four hundred twenty-one million, four hundred twenty-one thousand, three hundred twelve".