2111115 has 8 divisors (see below), whose sum is σ = 3377808. Its totient is φ = 1125920.

The previous prime is 2111107. The next prime is 2111129. The reversal of 2111115 is 5111112.

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

It is not a de Polignac number, because 2111115 - 2³ = 2111107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70356 + ... + 70385.

It is an arithmetic number, because the mean of its divisors is an integer number (422226).

2^2111115 is an apocalyptic number.

2111115 is a deficient number, since it is larger than the sum of its proper divisors (1266693).

2111115 is a wasteful number, since it uses less digits than its factorization.

2111115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140749.

The product of its digits is 10, while the sum is 12.

The square root of 2111115 is about 1452.9676527714. The cubic root of 2111115 is about 128.2834498130.

Adding to 2111115 its reverse (5111112), we get a palindrome (7222227).

It can be divided in two parts, 211 and 1115, that added together give a triangular number (1326 = T₅₁).

The spelling of 2111115 in words is "two million, one hundred eleven thousand, one hundred fifteen".