2110121005 has 16 divisors (see below), whose sum is σ = 2689749504. Its totient is φ = 1583668480.

The previous prime is 2110120979. The next prime is 2110121011. The reversal of 2110121005 is 5001210112.

It is not a de Polignac number, because 2110121005 - 2⁵ = 2110120973 is a prime.

It is a super-2 number, since 2×2110121005² = 8905221311484420050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13477 + ... + 66346.

It is an arithmetic number, because the mean of its divisors is an integer number (168109344).

Almost surely, 2^2110121005 is an apocalyptic number.

It is an amenable number.

2110121005 is a deficient number, since it is larger than the sum of its proper divisors (579628499).

2110121005 is a wasteful number, since it uses less digits than its factorization.

2110121005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80156.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 2110121005 is about 45936.0534330062. The cubic root of 2110121005 is about 1282.6331304078.

Adding to 2110121005 its reverse (5001210112), we get a palindrome (7111331117).

The spelling of 2110121005 in words is "two billion, one hundred ten million, one hundred twenty-one thousand, five".