2100212100968 has 16 divisors (see below), whose sum is σ = 3978494574180. Its totient is φ = 1039280214528.

The previous prime is 2100212100967. The next prime is 2100212101051. The reversal of 2100212100968 is 8690012120012.

It can be written as a sum of positive squares in 2 ways, for example, as 2099537244484 + 674856484 = 1448978^2 + 25978^2 .

It is not an unprimeable number, because it can be changed into a prime (2100212100967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353228671 + ... + 1353230222.

Almost surely, 2^{2100212100968} is an apocalyptic number.

It is an amenable number.

2100212100968 is a deficient number, since it is larger than the sum of its proper divisors (1878282473212).

2100212100968 is a wasteful number, since it uses less digits than its factorization.

2100212100968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706458996 (or 2706458992 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 2100212100968 in words is "two trillion, one hundred billion, two hundred twelve million, one hundred thousand, nine hundred sixty-eight".