12111011022110 has 128 divisors (see below), whose sum is σ = 29286370713600. Its totient is φ = 3482500677120.

The previous prime is 12111011022109. The next prime is 12111011022157. The reversal of 12111011022110 is 1122011011121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17263676 + ... + 17951504.

It is an arithmetic number, because the mean of its divisors is an integer number (228799771200).

Almost surely, 2^{12111011022110} is an apocalyptic number.

12111011022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111011022110 is an abundant number, since it is smaller than the sum of its proper divisors (17175359691490).

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

12111011022110 is a wasteful number, since it uses less digits than its factorization.

12111011022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689626.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12111011022110 its reverse (1122011011121), we get a palindrome (13233022033231).

The spelling of 12111011022110 in words is "twelve trillion, one hundred eleven billion, eleven million, twenty-two thousand, one hundred ten".