2143344112100 has 18 divisors (see below), whose sum is σ = 4651056723474. Its totient is φ = 857337644800.

The previous prime is 2143344112043. The next prime is 2143344112153. The reversal of 2143344112100 is 12114433412.

It can be written as a sum of positive squares in 3 ways, for example, as 352613284 + 2142991498816 = 18778^2 + 1463896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2143344112100.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10716720461 + ... + 10716720660.

It is an arithmetic number, because the mean of its divisors is an integer number (258392040193).

Almost surely, 2^{2143344112100} is an apocalyptic number.

2143344112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143344112100 is an abundant number, since it is smaller than the sum of its proper divisors (2507712611374).

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

2143344112100 is a wasteful number, since it uses less digits than its factorization.

2143344112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21433441135 (or 21433441128 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 2143344112100 its reverse (12114433412), we get a palindrome (2155458545512).

The spelling of 2143344112100 in words is "two trillion, one hundred forty-three billion, three hundred forty-four million, one hundred twelve thousand, one hundred".