102001010020001 has 8 divisors (see below), whose sum is σ = 107757099703680. Its totient is φ = 96283681883568.

The previous prime is 102001010019989. The next prime is 102001010020121. The reversal of 102001010020001 is 100020010100201.

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 102001010020001 - 2³⁸ = 101726132113057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102001010023001) 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, 9690381401 + ... + 9690391926.

It is an arithmetic number, because the mean of its divisors is an integer number (13469637462960).

Almost surely, 2^{102001010020001} is an apocalyptic number.

It is an amenable number.

102001010020001 is a deficient number, since it is larger than the sum of its proper divisors (5756089683679).

102001010020001 is a wasteful number, since it uses less digits than its factorization.

102001010020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19380773623.

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

Adding to 102001010020001 its reverse (100020010100201), we get a palindrome (202021020120202).

The spelling of 102001010020001 in words is "one hundred two trillion, one billion, ten million, twenty thousand, one".