12111001021130 has 96 divisors (see below), whose sum is σ = 24544245293568. Its totient is φ = 4297501232640.

The previous prime is 12111001021129. The next prime is 12111001021153. The reversal of 12111001021130 is 3112010011121.

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, 18849227 + ... + 19481153.

It is an arithmetic number, because the mean of its divisors is an integer number (255669221808).

Almost surely, 2^{12111001021130} is an apocalyptic number.

12111001021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111001021130 is an abundant number, since it is smaller than the sum of its proper divisors (12433244272438).

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

12111001021130 is a wasteful number, since it uses less digits than its factorization.

12111001021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632340 (or 632329 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12111001021130 its reverse (3112010011121), we get a palindrome (15223011032251).

The spelling of 12111001021130 in words is "twelve trillion, one hundred eleven billion, one million, twenty-one thousand, one hundred thirty".