2008111121 has 4 divisors (see below), whose sum is σ = 2113801200. Its totient is φ = 1902421044.

The previous prime is 2008111103. The next prime is 2008111141. The reversal of 2008111121 is 1211118002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1211118002 = 2 ⋅605559001.

It is a cyclic number.

It is not a de Polignac number, because 2008111121 - 2²⁶ = 1941002257 is a prime.

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 2008111121.

It is not an unprimeable number, because it can be changed into a prime (2008111141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52845011 + ... + 52845048.

It is an arithmetic number, because the mean of its divisors is an integer number (528450300).

Almost surely, 2^2008111121 is an apocalyptic number.

It is an amenable number.

2008111121 is a deficient number, since it is larger than the sum of its proper divisors (105690079).

2008111121 is a wasteful number, since it uses less digits than its factorization.

2008111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105690078.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 2008111121 is about 44811.9528809000. The cubic root of 2008111121 is about 1261.6219812340.

Adding to 2008111121 its reverse (1211118002), we get a palindrome (3219229123).

The spelling of 2008111121 in words is "two billion, eight million, one hundred eleven thousand, one hundred twenty-one".