2103918111 has 16 divisors (see below), whose sum is σ = 3169747200. Its totient is φ = 1378837944.

The previous prime is 2103918101. The next prime is 2103918119. The reversal of 2103918111 is 1118193012.

It is not a de Polignac number, because 2103918111 - 2¹¹ = 2103916063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103918119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658771 + ... + 661956.

It is an arithmetic number, because the mean of its divisors is an integer number (198109200).

Almost surely, 2^2103918111 is an apocalyptic number.

2103918111 is a deficient number, since it is larger than the sum of its proper divisors (1065829089).

2103918111 is a wasteful number, since it uses less digits than its factorization.

2103918111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320795 (or 1320789 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 2103918111 is about 45868.4871235143. The cubic root of 2103918111 is about 1281.3750910316.

The spelling of 2103918111 in words is "two billion, one hundred three million, nine hundred eighteen thousand, one hundred eleven".