2144320111012 has 12 divisors (see below), whose sum is σ = 3767510635056. Its totient is φ = 1067888501000.

The previous prime is 2144320110967. The next prime is 2144320111027. The reversal of 2144320111012 is 2101110234412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067887498 + ... + 1067889505.

It is an arithmetic number, because the mean of its divisors is an integer number (313959219588).

Almost surely, 2^{2144320111012} is an apocalyptic number.

It is an amenable number.

2144320111012 is a deficient number, since it is larger than the sum of its proper divisors (1623190524044).

2144320111012 is a wasteful number, since it uses less digits than its factorization.

2144320111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135777258 (or 2135777256 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2144320111012 its reverse (2101110234412), we get a palindrome (4245430345424).

The spelling of 2144320111012 in words is "two trillion, one hundred forty-four billion, three hundred twenty million, one hundred eleven thousand, twelve".