2112043104369 has 81 divisors (see below), whose sum is σ = 3429805368171. Its totient is φ = 1251454501440.

The previous prime is 2112043104361. The next prime is 2112043104383. The reversal of 2112043104369 is 9634013402112.

The square root of 2112043104369 is 1453287.

It is a perfect power (a square), and thus also a powerful number.

2112043104369 is a `hidden beast` number, since 2 + 1 + 1 + 204 + 3 + 10 + 436 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111198906225 + 2000844198144 = 333465^2 + 1414512^2 .

It is not a de Polignac number, because 2112043104369 - 2³ = 2112043104361 is a prime.

It is a super-2 number, since 2×2112043104369² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112043104361) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2254047669 + ... + 2254048605.

Almost surely, 2^{2112043104369} is an apocalyptic number.

2112043104369 is the 1453287-th square number.

2112043104369 is the 726644-th centered octagonal number.

It is an amenable number.

2112043104369 is a deficient number, since it is larger than the sum of its proper divisors (1317762263802).

2112043104369 is an frugal number, since it uses more digits than its factorization.

2112043104369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Multiplying 2112043104369 by its sum of digits (36), we get a square (76033551757284 = 8719722²).

It can be divided in two parts, 21120 and 43104369, that added together give a square (43125489 = 6567²).

The spelling of 2112043104369 in words is "two trillion, one hundred twelve billion, forty-three million, one hundred four thousand, three hundred sixty-nine".