5213051121 has 16 divisors (see below), whose sum is σ = 7138672640. Its totient is φ = 3381996240.

The previous prime is 5213051119. The next prime is 5213051143. The reversal of 5213051121 is 1211503125.

It is not a de Polignac number, because 5213051121 - 2¹ = 5213051119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5213058121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39601 + ... + 109518.

It is an arithmetic number, because the mean of its divisors is an integer number (446167040).

Almost surely, 2^5213051121 is an apocalyptic number.

It is an amenable number.

5213051121 is a deficient number, since it is larger than the sum of its proper divisors (1925621519).

5213051121 is a wasteful number, since it uses less digits than its factorization.

5213051121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149436.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 5213051121 is about 72201.4620419836. The cubic root of 5213051121 is about 1733.9264089302.

Adding to 5213051121 its reverse (1211503125), we get a palindrome (6424554246).

The spelling of 5213051121 in words is "five billion, two hundred thirteen million, fifty-one thousand, one hundred twenty-one".