5043021121 has 4 divisors (see below), whose sum is σ = 5043395412. Its totient is φ = 5042646832.

The previous prime is 5043021119. The next prime is 5043021163. The reversal of 5043021121 is 1211203405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1082081025 + 3960940096 = 32895^2 + 62936^2 .

It is a cyclic number.

It is not a de Polignac number, because 5043021121 - 2¹ = 5043021119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5043021421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166150 + ... + 194143.

It is an arithmetic number, because the mean of its divisors is an integer number (1260848853).

Almost surely, 2^5043021121 is an apocalyptic number.

It is an amenable number.

5043021121 is a deficient number, since it is larger than the sum of its proper divisors (374291).

5043021121 is a wasteful number, since it uses less digits than its factorization.

5043021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374290.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5043021121 is about 71014.2318201077. The cubic root of 5043021121 is about 1714.8662863278.

Adding to 5043021121 its reverse (1211203405), we get a palindrome (6254224526).

The spelling of 5043021121 in words is "five billion, forty-three million, twenty-one thousand, one hundred twenty-one".