102010020001 has 4 divisors (see below), whose sum is σ = 102019840000. Its totient is φ = 102000200004.

The previous prime is 102010019959. The next prime is 102010020031. The reversal of 102010020001 is 100020010201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102010020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010020031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4894401 + ... + 4915198.

It is an arithmetic number, because the mean of its divisors is an integer number (25504960000).

Almost surely, 2^102010020001 is an apocalyptic number.

It is an amenable number.

102010020001 is a deficient number, since it is larger than the sum of its proper divisors (9819999).

102010020001 is an equidigital number, since it uses as much as digits as its factorization.

102010020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9819998.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 102010020001 its reverse (100020010201), we get a palindrome (202030030202).

The spelling of 102010020001 in words is "one hundred two billion, ten million, twenty thousand, one".