2110111225 has 12 divisors (see below), whose sum is σ = 2617114860. Its totient is φ = 1687716800.

The previous prime is 2110111219. The next prime is 2110111259. The reversal of 2110111225 is 5221110112.

It can be written as a sum of positive squares in 6 ways, for example, as 414977641 + 1695133584 = 20371^2 + 41172^2 .

It is not a de Polignac number, because 2110111225 - 2³ = 2110111217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110111199 and 2110111208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190335 + ... + 201115.

It is an arithmetic number, because the mean of its divisors is an integer number (218092905).

Almost surely, 2^2110111225 is an apocalyptic number.

2110111225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2110111225 is a deficient number, since it is larger than the sum of its proper divisors (507003635).

2110111225 is a wasteful number, since it uses less digits than its factorization.

2110111225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18620 (or 18615 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 2110111225 is about 45935.9469805511. The cubic root of 2110111225 is about 1282.6311488198.

Adding to 2110111225 its reverse (5221110112), we get a palindrome (7331221337).

The spelling of 2110111225 in words is "two billion, one hundred ten million, one hundred eleven thousand, two hundred twenty-five".