11112221130 has 16 divisors (see below), whose sum is σ = 26669330784. Its totient is φ = 2963258960.

The previous prime is 11112221119. The next prime is 11112221161. The reversal of 11112221130 is 3112221111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185203656 + ... + 185203715.

It is an arithmetic number, because the mean of its divisors is an integer number (1666833174).

Almost surely, 2^11112221130 is an apocalyptic number.

11112221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112221130 is an abundant number, since it is smaller than the sum of its proper divisors (15557109654).

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

11112221130 is a wasteful number, since it uses less digits than its factorization.

11112221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370407381.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11112221130 its reverse (3112221111), we get a palindrome (14224442241).

The spelling of 11112221130 in words is "eleven billion, one hundred twelve million, two hundred twenty-one thousand, one hundred thirty".