10016121 has 8 divisors (see below), whose sum is σ = 13424800. Its totient is φ = 6642432.

The previous prime is 10016101. The next prime is 10016137. The reversal of 10016121 is 12161001.

It is a happy number.

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

It is not a de Polignac number, because 10016121 - 2⁹ = 10015609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10016097 and 10016106.

It is not an unprimeable number, because it can be changed into a prime (10016101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8071 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (1678100).

Almost surely, 2^10016121 is an apocalyptic number.

It is an amenable number.

10016121 is a deficient number, since it is larger than the sum of its proper divisors (3408679).

10016121 is a wasteful number, since it uses less digits than its factorization.

10016121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17495.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 10016121 is about 3164.8255876114. The cubic root of 10016121 is about 215.5591789856.

Adding to 10016121 its reverse (12161001), we get a palindrome (22177122).

The spelling of 10016121 in words is "ten million, sixteen thousand, one hundred twenty-one".