2103312111 has 8 divisors (see below), whose sum is σ = 2813377200. Its totient is φ = 1397727552.

The previous prime is 2103312089. The next prime is 2103312121. The reversal of 2103312111 is 1112133012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2103312111 - 2¹¹ = 2103310063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103312121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119036 + ... + 1120913.

It is an arithmetic number, because the mean of its divisors is an integer number (351672150).

Almost surely, 2^2103312111 is an apocalyptic number.

2103312111 is a deficient number, since it is larger than the sum of its proper divisors (710065089).

2103312111 is a wasteful number, since it uses less digits than its factorization.

2103312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240265.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2103312111 is about 45861.8808053050. The cubic root of 2103312111 is about 1281.2520526765.

Adding to 2103312111 its reverse (1112133012), we get a palindrome (3215445123).

The spelling of 2103312111 in words is "two billion, one hundred three million, three hundred twelve thousand, one hundred eleven".