2118131650203 has 32 divisors (see below), whose sum is σ = 2837896093440. Its totient is φ = 1405250457600.

The previous prime is 2118131650199. The next prime is 2118131650213. The reversal of 2118131650203 is 3020561318112.

It is not a de Polignac number, because 2118131650203 - 2² = 2118131650199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2118131650213) 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 31 ways as a sum of consecutive naturals, for example, 1323004603 + ... + 1323006203.

It is an arithmetic number, because the mean of its divisors is an integer number (88684252920).

Almost surely, 2^{2118131650203} is an apocalyptic number.

2118131650203 is a deficient number, since it is larger than the sum of its proper divisors (719764443237).

2118131650203 is a wasteful number, since it uses less digits than its factorization.

2118131650203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027.

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 2118131650203 its reverse (3020561318112), we get a palindrome (5138692968315).

The spelling of 2118131650203 in words is "two trillion, one hundred eighteen billion, one hundred thirty-one million, six hundred fifty thousand, two hundred three".