2121121114 has 24 divisors (see below), whose sum is σ = 3787220448. Its totient is φ = 887909400.

The previous prime is 2121121063. The next prime is 2121121117. The reversal of 2121121114 is 4111211212.

It is not an unprimeable number, because it can be changed into a prime (2121121117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247462 + ... + 255889.

It is an arithmetic number, because the mean of its divisors is an integer number (157800852).

Almost surely, 2^2121121114 is an apocalyptic number.

2121121114 is a deficient number, since it is larger than the sum of its proper divisors (1666099334).

2121121114 is a wasteful number, since it uses less digits than its factorization.

2121121114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503410 (or 503403 counting only the distinct ones).

The product of its digits is 32, while the sum is 16.

The square root of 2121121114 is about 46055.6306438203. The cubic root of 2121121114 is about 1284.8580672620.

Adding to 2121121114 its reverse (4111211212), we get a palindrome (6232332326).

The spelling of 2121121114 in words is "two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred fourteen".