2120242442043 has 64 divisors (see below), whose sum is σ = 3176688844800. Its totient is φ = 1246978656000.

The previous prime is 2120242442041. The next prime is 2120242442053. The reversal of 2120242442043 is 3402442420212.

It is a happy number.

It is not a de Polignac number, because 2120242442043 - 2¹ = 2120242442041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120242442043.

It is not an unprimeable number, because it can be changed into a prime (2120242442041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109331878 + ... + 109351268.

It is an arithmetic number, because the mean of its divisors is an integer number (49635763200).

Almost surely, 2^{2120242442043} is an apocalyptic number.

2120242442043 is a deficient number, since it is larger than the sum of its proper divisors (1056446402757).

2120242442043 is a wasteful number, since it uses less digits than its factorization.

2120242442043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 2120242442043 its reverse (3402442420212), we get a palindrome (5522684862255).

The spelling of 2120242442043 in words is "two trillion, one hundred twenty billion, two hundred forty-two million, four hundred forty-two thousand, forty-three".