2043111043242 has 24 divisors (see below), whose sum is σ = 4426991622144. Its totient is φ = 680998394664.

The previous prime is 2043111043223. The next prime is 2043111043277. The reversal of 2043111043242 is 2423401113402.

2043111043242 is a `hidden beast` number, since 2 + 0 + 4 + 311 + 104 + 3 + 242 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2891178 + ... + 3527765.

It is an arithmetic number, because the mean of its divisors is an integer number (184457984256).

Almost surely, 2^{2043111043242} is an apocalyptic number.

2043111043242 is an abundant number, since it is smaller than the sum of its proper divisors (2383880578902).

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

2043111043242 is a wasteful number, since it uses less digits than its factorization.

2043111043242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436634 (or 6436631 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2043111043242 its reverse (2423401113402), we get a palindrome (4466512156644).

The spelling of 2043111043242 in words is "two trillion, forty-three billion, one hundred eleven million, forty-three thousand, two hundred forty-two".