10100000121 has 8 divisors (see below), whose sum is σ = 13476423744. Its totient is φ = 6728454960.

The previous prime is 10100000111. The next prime is 10100000129. The reversal of 10100000121 is 12100000101.

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

It is not a de Polignac number, because 10100000121 - 2¹⁰ = 10099999097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10100000129) 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, 1214781 + ... + 1223066.

It is an arithmetic number, because the mean of its divisors is an integer number (1684552968).

Almost surely, 2^10100000121 is an apocalyptic number.

It is an amenable number.

10100000121 is a deficient number, since it is larger than the sum of its proper divisors (3376423623).

10100000121 is a wasteful number, since it uses less digits than its factorization.

10100000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439231.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 10100000121 its reverse (12100000101), we get a palindrome (22200000222).

The spelling of 10100000121 in words is "ten billion, one hundred million, one hundred twenty-one", and thus it is an aban number.