2100111969342 has 16 divisors (see below), whose sum is σ = 4200355755792. Its totient is φ = 700015353600.

The previous prime is 2100111969289. The next prime is 2100111969343. The reversal of 2100111969342 is 2439691110012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100111969342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100111969343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5284659 + ... + 5668142.

It is an arithmetic number, because the mean of its divisors is an integer number (262522234737).

Almost surely, 2^{2100111969342} is an apocalyptic number.

2100111969342 is an abundant number, since it is smaller than the sum of its proper divisors (2100243786450).

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

2100111969342 is a wasteful number, since it uses less digits than its factorization.

2100111969342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10984763.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 2100111969342 in words is "two trillion, one hundred billion, one hundred eleven million, nine hundred sixty-nine thousand, three hundred forty-two".