2121111010118 has 12 divisors (see below), whose sum is σ = 3257379515268. Its totient is φ = 1035891421740.

The previous prime is 2121111010099. The next prime is 2121111010199. The reversal of 2121111010118 is 8110101111212.

It is a super-2 number, since 2×2121111010118² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2121111010118.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 286787948 + ... + 286795343.

It is an arithmetic number, because the mean of its divisors is an integer number (271448292939).

Almost surely, 2^{2121111010118} is an apocalyptic number.

2121111010118 is a deficient number, since it is larger than the sum of its proper divisors (1136268505150).

2121111010118 is an equidigital number, since it uses as much as digits as its factorization.

2121111010118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573583379 (or 573583336 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 20.

The spelling of 2121111010118 in words is "two trillion, one hundred twenty-one billion, one hundred eleven million, ten thousand, one hundred eighteen".