2111025105 has 48 divisors (see below), whose sum is σ = 4365671040. Its totient is φ = 965037024.

The previous prime is 2111025089. The next prime is 2111025157. The reversal of 2111025105 is 5015201112.

It is not a de Polignac number, because 2111025105 - 2⁴ = 2111025089 is a prime.

It is a super-2 number, since 2×2111025105² = 8912853987880522050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152949 + ... + 166178.

It is an arithmetic number, because the mean of its divisors is an integer number (90951480).

Almost surely, 2^2111025105 is an apocalyptic number.

It is an amenable number.

2111025105 is an abundant number, since it is smaller than the sum of its proper divisors (2254645935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111025105 is a wasteful number, since it uses less digits than its factorization.

2111025105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319155 (or 319142 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 2111025105 is about 45945.8932332369. The cubic root of 2111025105 is about 1282.8162894198.

Adding to 2111025105 its reverse (5015201112), we get a palindrome (7126226217).

The spelling of 2111025105 in words is "two billion, one hundred eleven million, twenty-five thousand, one hundred five".