2111103009989 has 4 divisors (see below), whose sum is σ = 2111201722560. Its totient is φ = 2111004297420.

The previous prime is 2111103009979. The next prime is 2111103010001. The reversal of 2111103009989 is 9899003011112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2111103009989 - 2³² = 2106808042693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111103009979) 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, 49324199 + ... + 49366980.

It is an arithmetic number, because the mean of its divisors is an integer number (527800430640).

Almost surely, 2^{2111103009989} is an apocalyptic number.

It is an amenable number.

2111103009989 is a deficient number, since it is larger than the sum of its proper divisors (98712571).

2111103009989 is an equidigital number, since it uses as much as digits as its factorization.

2111103009989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98712570.

The product of its (nonzero) digits is 34992, while the sum is 44.

The spelling of 2111103009989 in words is "two trillion, one hundred eleven billion, one hundred three million, nine thousand, nine hundred eighty-nine".