2121404114 has 8 divisors (see below), whose sum is σ = 3291834060. Its totient is φ = 1024126096.

The previous prime is 2121404111. The next prime is 2121404141. The reversal of 2121404114 is 4114041212.

It can be written as a sum of positive squares in 2 ways, for example, as 2112965089 + 8439025 = 45967^2 + 2905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2121404114² = 9000710829792249992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121404111) 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 3 ways as a sum of consecutive naturals, for example, 18287909 + ... + 18288024.

Almost surely, 2^2121404114 is an apocalyptic number.

2121404114 is a deficient number, since it is larger than the sum of its proper divisors (1170429946).

2121404114 is a wasteful number, since it uses less digits than its factorization.

2121404114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36575964.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2121404114 is about 46058.7029126961. The cubic root of 2121404114 is about 1284.9152066463.

Adding to 2121404114 its reverse (4114041212), we get a palindrome (6235445326).

The spelling of 2121404114 in words is "two billion, one hundred twenty-one million, four hundred four thousand, one hundred fourteen".