5101333221 has 32 divisors (see below), whose sum is σ = 7016289280. Its totient is φ = 3295810944.

The previous prime is 5101333207. The next prime is 5101333243. The reversal of 5101333221 is 1223331015.

It is not a de Polignac number, because 5101333221 - 2¹⁷ = 5101202149 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 (5101333621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3134610 + ... + 3136236.

It is an arithmetic number, because the mean of its divisors is an integer number (219259040).

Almost surely, 2^5101333221 is an apocalyptic number.

It is an amenable number.

5101333221 is a deficient number, since it is larger than the sum of its proper divisors (1914956059).

5101333221 is a wasteful number, since it uses less digits than its factorization.

5101333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 5101333221 is about 71423.6180895367. The cubic root of 5101333221 is about 1721.4505994317.

Adding to 5101333221 its reverse (1223331015), we get a palindrome (6324664236).

The spelling of 5101333221 in words is "five billion, one hundred one million, three hundred thirty-three thousand, two hundred twenty-one".