12110111121142 has 16 divisors (see below), whose sum is σ = 18475716040992. Its totient is φ = 5951676309120.

The previous prime is 12110111121131. The next prime is 12110111121197. The reversal of 12110111121142 is 24112111101121.

It is a congruent number.

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, 34123123 + ... + 34476190.

It is an arithmetic number, because the mean of its divisors is an integer number (1154732252562).

Almost surely, 2^{12110111121142} is an apocalyptic number.

12110111121142 is a deficient number, since it is larger than the sum of its proper divisors (6365604919850).

12110111121142 is a wasteful number, since it uses less digits than its factorization.

12110111121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68600823.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 12110111121142 its reverse (24112111101121), we get a palindrome (36222222222263).

The spelling of 12110111121142 in words is "twelve trillion, one hundred ten billion, one hundred eleven million, one hundred twenty-one thousand, one hundred forty-two".