11113121030 has 64 divisors (see below), whose sum is σ = 22753198080. Its totient is φ = 3870921600.

The previous prime is 11113121021. The next prime is 11113121083. The reversal of 11113121030 is 3012131111.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11113120996 and 11113121014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391415 + ... + 418845.

It is an arithmetic number, because the mean of its divisors is an integer number (355518720).

Almost surely, 2^11113121030 is an apocalyptic number.

11113121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11113121030 is an abundant number, since it is smaller than the sum of its proper divisors (11640077050).

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

11113121030 is a wasteful number, since it uses less digits than its factorization.

11113121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27605.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11113121030 its reverse (3012131111), we get a palindrome (14125252141).

The spelling of 11113121030 in words is "eleven billion, one hundred thirteen million, one hundred twenty-one thousand, thirty".