2121110210986 has 64 divisors (see below), whose sum is σ = 3513921868800. Its totient is φ = 960008182848.

The previous prime is 2121110210959. The next prime is 2121110210987. The reversal of 2121110210986 is 6890120111212.

It is not an unprimeable number, because it can be changed into a prime (2121110210987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65634600 + ... + 65666908.

It is an arithmetic number, because the mean of its divisors is an integer number (54905029200).

Almost surely, 2^{2121110210986} is an apocalyptic number.

2121110210986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2121110210986 is a deficient number, since it is larger than the sum of its proper divisors (1392811657814).

2121110210986 is a wasteful number, since it uses less digits than its factorization.

2121110210986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32640 (or 32614 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 34.

The spelling of 2121110210986 in words is "two trillion, one hundred twenty-one billion, one hundred ten million, two hundred ten thousand, nine hundred eighty-six".