5100422021 has 4 divisors (see below), whose sum is σ = 5101363500. Its totient is φ = 5099480544.

The previous prime is 5100422003. The next prime is 5100422051. The reversal of 5100422021 is 1202240015.

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 1841268100 + 3259153921 = 42910^2 + 57089^2 .

It is a cyclic number.

It is not a de Polignac number, because 5100422021 - 2²⁶ = 5033313157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100422051) 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, 462566 + ... + 473463.

It is an arithmetic number, because the mean of its divisors is an integer number (1275340875).

Almost surely, 2^5100422021 is an apocalyptic number.

It is an amenable number.

5100422021 is a deficient number, since it is larger than the sum of its proper divisors (941479).

5100422021 is an equidigital number, since it uses as much as digits as its factorization.

5100422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941478.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 5100422021 is about 71417.2389623122. The cubic root of 5100422021 is about 1721.3480981755.

Adding to 5100422021 its reverse (1202240015), we get a palindrome (6302662036).

The spelling of 5100422021 in words is "five billion, one hundred million, four hundred twenty-two thousand, twenty-one".