5021170121 has 8 divisors (see below), whose sum is σ = 5495486304. Its totient is φ = 4549828320.

The previous prime is 5021170117. The next prime is 5021170123. The reversal of 5021170121 is 1210711205.

It is a happy number.

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 5021170121 - 2² = 5021170117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5021170093 and 5021170102.

It is not an unprimeable number, because it can be changed into a prime (5021170123) 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, 740060 + ... + 746813.

It is an arithmetic number, because the mean of its divisors is an integer number (686935788).

Almost surely, 2^5021170121 is an apocalyptic number.

It is an amenable number.

5021170121 is a deficient number, since it is larger than the sum of its proper divisors (474316183).

5021170121 is a wasteful number, since it uses less digits than its factorization.

5021170121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487191.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 5021170121 is about 70860.2153609485. The cubic root of 5021170121 is about 1712.3859084379.

Adding to 5021170121 its reverse (1210711205), we get a palindrome (6231881326).

The spelling of 5021170121 in words is "five billion, twenty-one million, one hundred seventy thousand, one hundred twenty-one".