5040221121 has 12 divisors (see below), whose sum is σ = 7840344148. Its totient is φ = 3101674464.

The previous prime is 5040221113. The next prime is 5040221129. The reversal of 5040221121 is 1211220405.

5040221121 is a `hidden beast` number, since 50 + 402 + 211 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5040221113) and next prime (5040221129).

It can be written as a sum of positive squares in 2 ways, for example, as 933974721 + 4106246400 = 30561^2 + 64080^2 .

It is not a de Polignac number, because 5040221121 - 2³ = 5040221113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5040221094 and 5040221103.

It is not an unprimeable number, because it can be changed into a prime (5040221129) 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 11 ways as a sum of consecutive naturals, for example, 21539290 + ... + 21539523.

Almost surely, 2^5040221121 is an apocalyptic number.

It is an amenable number.

5040221121 is a deficient number, since it is larger than the sum of its proper divisors (2800123027).

5040221121 is a wasteful number, since it uses less digits than its factorization.

5040221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43078832 (or 43078829 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 5040221121 is about 70994.5147247307. The cubic root of 5040221121 is about 1714.5488499857.

Adding to 5040221121 its reverse (1211220405), we get a palindrome (6251441526).

The spelling of 5040221121 in words is "five billion, forty million, two hundred twenty-one thousand, one hundred twenty-one".