2121241105 has 32 divisors (see below), whose sum is σ = 2701319040. Its totient is φ = 1596672000.

The previous prime is 2121241069. The next prime is 2121241141. The reversal of 2121241105 is 5011421212.

It is an interprime number because it is at equal distance from previous prime (2121241069) and next prime (2121241141).

It is not a de Polignac number, because 2121241105 - 2¹³ = 2121232913 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 941230 + ... + 943480.

It is an arithmetic number, because the mean of its divisors is an integer number (84416220).

Almost surely, 2^2121241105 is an apocalyptic number.

It is an amenable number.

2121241105 is a deficient number, since it is larger than the sum of its proper divisors (580077935).

2121241105 is a wasteful number, since it uses less digits than its factorization.

2121241105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2121241105 is about 46056.9332999930. The cubic root of 2121241105 is about 1284.8822947796.

Adding to 2121241105 its reverse (5011421212), we get a palindrome (7132662317).

The spelling of 2121241105 in words is "two billion, one hundred twenty-one million, two hundred forty-one thousand, one hundred five".