2118710137700 has 144 divisors (see below), whose sum is σ = 5354058818304. Its totient is φ = 720609945600.

The previous prime is 2118710137699. The next prime is 2118710137727. The reversal of 2118710137700 is 77310178112.

It is a super-2 number, since 2×2118710137700² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 18815 + ... + 2058585.

It is an arithmetic number, because the mean of its divisors is an integer number (37180964016).

Almost surely, 2^{2118710137700} is an apocalyptic number.

2118710137700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2118710137700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2677029409152).

2118710137700 is an abundant number, since it is smaller than the sum of its proper divisors (3235348680604).

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

2118710137700 is a wasteful number, since it uses less digits than its factorization.

2118710137700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039862 (or 2039855 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 38.

The spelling of 2118710137700 in words is "two trillion, one hundred eighteen billion, seven hundred ten million, one hundred thirty-seven thousand, seven hundred".