100516121 has 8 divisors (see below), whose sum is σ = 107425440. Its totient is φ = 93717568.

The previous prime is 100516103. The next prime is 100516123. The reversal of 100516121 is 121615001.

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 100516121 - 2⁶ = 100516057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100516121.

It is not an unprimeable number, because it can be changed into a prime (100516123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25811 + ... + 29448.

It is an arithmetic number, because the mean of its divisors is an integer number (13428180).

Almost surely, 2^100516121 is an apocalyptic number.

It is an amenable number.

100516121 is a deficient number, since it is larger than the sum of its proper divisors (6909319).

100516121 is a wasteful number, since it uses less digits than its factorization.

100516121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55383.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 100516121 is about 10025.7728380410. The cubic root of 100516121 is about 464.9560539654.

The spelling of 100516121 in words is "one hundred million, five hundred sixteen thousand, one hundred twenty-one".