2111342411444 has 48 divisors (see below), whose sum is σ = 4359078097920. Its totient is φ = 875636282880.

The previous prime is 2111342411401. The next prime is 2111342411513. The reversal of 2111342411444 is 4441142431112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111342411444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38735042 + ... + 38789510.

It is an arithmetic number, because the mean of its divisors is an integer number (90814127040).

Almost surely, 2^{2111342411444} is an apocalyptic number.

It is an amenable number.

2111342411444 is an abundant number, since it is smaller than the sum of its proper divisors (2247735686476).

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

2111342411444 is a wasteful number, since it uses less digits than its factorization.

2111342411444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99168 (or 99166 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

Adding to 2111342411444 its reverse (4441142431112), we get a palindrome (6552484842556).

The spelling of 2111342411444 in words is "two trillion, one hundred eleven billion, three hundred forty-two million, four hundred eleven thousand, four hundred forty-four".