11113101234 has 64 divisors (see below), whose sum is σ = 25006320000. Its totient is φ = 3657899520.

The previous prime is 11113101221. The next prime is 11113101239. The reversal of 11113101234 is 43210131111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11113101239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6540117 + ... + 6541815.

It is an arithmetic number, because the mean of its divisors is an integer number (390723750).

Almost surely, 2^11113101234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11113101234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12503160000).

11113101234 is an abundant number, since it is smaller than the sum of its proper divisors (13893218766).

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

11113101234 is a wasteful number, since it uses less digits than its factorization.

11113101234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160 (or 3154 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11113101234 its reverse (43210131111), we get a palindrome (54323232345).

The spelling of 11113101234 in words is "eleven billion, one hundred thirteen million, one hundred one thousand, two hundred thirty-four".