2110001121 has 24 divisors (see below), whose sum is σ = 3228885504. Its totient is φ = 1323173760.

The previous prime is 2110001119. The next prime is 2110001141. The reversal of 2110001121 is 1211000112.

It is a happy number.

It is not a de Polignac number, because 2110001121 - 2¹ = 2110001119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2110001141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412240 + ... + 417326.

It is an arithmetic number, because the mean of its divisors is an integer number (134536896).

Almost surely, 2^2110001121 is an apocalyptic number.

It is an amenable number.

2110001121 is a deficient number, since it is larger than the sum of its proper divisors (1118884383).

2110001121 is a wasteful number, since it uses less digits than its factorization.

2110001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821 (or 7818 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2110001121 is about 45934.7485135164. The cubic root of 2110001121 is about 1282.6088395256.

Adding to 2110001121 its reverse (1211000112), we get a palindrome (3321001233).

The spelling of 2110001121 in words is "two billion, one hundred ten million, one thousand, one hundred twenty-one".