5221650121 has 8 divisors (see below), whose sum is σ = 5235120000. Its totient is φ = 5208197280.

The previous prime is 5221650103. The next prime is 5221650131. The reversal of 5221650121 is 1210561225.

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

It is a cyclic number.

It is not a de Polignac number, because 5221650121 - 2¹⁵ = 5221617353 is a prime.

It is a super-2 number, since 2×5221650121² = 54531259972278629282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221650131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787980 + ... + 794578.

It is an arithmetic number, because the mean of its divisors is an integer number (654390000).

Almost surely, 2^5221650121 is an apocalyptic number.

It is an amenable number.

5221650121 is a deficient number, since it is larger than the sum of its proper divisors (13469879).

5221650121 is a wasteful number, since it uses less digits than its factorization.

5221650121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 5221650121 is about 72260.9861612752. The cubic root of 5221650121 is about 1734.8792637458.

The spelling of 5221650121 in words is "five billion, two hundred twenty-one million, six hundred fifty thousand, one hundred twenty-one".