2180110110813 has 16 divisors (see below), whose sum is σ = 3233225092800. Its totient is φ = 1451862189360.

The previous prime is 2180110110797. The next prime is 2180110110821. The reversal of 2180110110813 is 3180110110812.

It is not a de Polignac number, because 2180110110813 - 2⁴ = 2180110110797 is a prime.

It is a super-2 number, since 2×2180110110813² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180110110833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42878323 + ... + 42929136.

It is an arithmetic number, because the mean of its divisors is an integer number (202076568300).

Almost surely, 2^{2180110110813} is an apocalyptic number.

It is an amenable number.

2180110110813 is a deficient number, since it is larger than the sum of its proper divisors (1053114981987).

2180110110813 is an equidigital number, since it uses as much as digits as its factorization.

2180110110813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85808409 (or 85808403 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 27.

Subtracting 2180110110813 from its reverse (3180110110812), we obtain a palindrome (999999999999).

The spelling of 2180110110813 in words is "two trillion, one hundred eighty billion, one hundred ten million, one hundred ten thousand, eight hundred thirteen".