10121020001 has 8 divisors (see below), whose sum is σ = 10150425600. Its totient is φ = 10091640240.

The previous prime is 10121019991. The next prime is 10121020009. The reversal of 10121020001 is 10002012101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121020009) 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, 995936 + ... + 1006046.

It is an arithmetic number, because the mean of its divisors is an integer number (1268803200).

Almost surely, 2^10121020001 is an apocalyptic number.

It is an amenable number.

10121020001 is a deficient number, since it is larger than the sum of its proper divisors (29405599).

10121020001 is a wasteful number, since it uses less digits than its factorization.

10121020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12919.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10121020001 its reverse (10002012101), we get a palindrome (20123032102).

The spelling of 10121020001 in words is "ten billion, one hundred twenty-one million, twenty thousand, one".