2111902105108 has 24 divisors (see below), whose sum is σ = 3746419270272. Its totient is φ = 1041537841344.

The previous prime is 2111902105097. The next prime is 2111902105141. The reversal of 2111902105108 is 8015012091112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111902105108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4950060 + ... + 5359747.

It is an arithmetic number, because the mean of its divisors is an integer number (156100802928).

Almost surely, 2^{2111902105108} is an apocalyptic number.

It is an amenable number.

2111902105108 is a deficient number, since it is larger than the sum of its proper divisors (1634517165164).

2111902105108 is a wasteful number, since it uses less digits than its factorization.

2111902105108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10310511 (or 10310509 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 31.

The spelling of 2111902105108 in words is "two trillion, one hundred eleven billion, nine hundred two million, one hundred five thousand, one hundred eight".