2112535105 has 4 divisors (see below), whose sum is σ = 2535042132. Its totient is φ = 1690028080.

The previous prime is 2112535099. The next prime is 2112535123. The reversal of 2112535105 is 5015352112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 606784689 + 1505750416 = 24633^2 + 38804^2 .

It is not a de Polignac number, because 2112535105 - 2³ = 2112535097 is a prime.

It is a super-2 number, since 2×2112535105² = 8925609139714722050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112535105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211253506 + ... + 211253515.

It is an arithmetic number, because the mean of its divisors is an integer number (633760533).

Almost surely, 2^2112535105 is an apocalyptic number.

It is an amenable number.

2112535105 is a deficient number, since it is larger than the sum of its proper divisors (422507027).

2112535105 is an equidigital number, since it uses as much as digits as its factorization.

2112535105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422507026.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2112535105 is about 45962.3226675937. The cubic root of 2112535105 is about 1283.1220793924.

Adding to 2112535105 its reverse (5015352112), we get a palindrome (7127887217).

The spelling of 2112535105 in words is "two billion, one hundred twelve million, five hundred thirty-five thousand, one hundred five".