5011021421421 has 8 divisors (see below), whose sum is σ = 6683264889024. Its totient is φ = 3339729450720.

The previous prime is 5011021421411. The next prime is 5011021421423. The reversal of 5011021421421 is 1241241201105.

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

It is not a de Polignac number, because 5011021421421 - 2¹⁷ = 5011021290349 is a prime.

It is a super-2 number, since 2×5011021421421² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5011021421391 and 5011021421400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011021421423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237861936 + ... + 237883001.

It is an arithmetic number, because the mean of its divisors is an integer number (835408111128).

Almost surely, 2^{5011021421421} is an apocalyptic number.

It is an amenable number.

5011021421421 is a deficient number, since it is larger than the sum of its proper divisors (1672243467603).

5011021421421 is a wasteful number, since it uses less digits than its factorization.

5011021421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475748451.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 5011021421421 its reverse (1241241201105), we get a palindrome (6252262622526).

The spelling of 5011021421421 in words is "five trillion, eleven billion, twenty-one million, four hundred twenty-one thousand, four hundred twenty-one".