102010010100001 has 4 divisors (see below), whose sum is σ = 103682305347604. Its totient is φ = 100337714852400.

The previous prime is 102010010099969. The next prime is 102010010100041. The reversal of 102010010100001 is 100001010010201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14362591619601 + 87647418480400 = 3789801^2 + 9362020^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010010100001 - 2⁵ = 102010010099969 is a prime.

It is the 10100001-st Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010010100041) by changing a digit.

It is a nontrivial repunit in base 10100000.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836147623710 + ... + 836147623831.

It is an arithmetic number, because the mean of its divisors is an integer number (25920576336901).

Almost surely, 2^{102010010100001} is an apocalyptic number.

It is an amenable number.

102010010100001 is a deficient number, since it is larger than the sum of its proper divisors (1672295247603).

102010010100001 is an equidigital number, since it uses as much as digits as its factorization.

102010010100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672295247602.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 102010010100001 its reverse (100001010010201), we get a palindrome (202011020110202).

The spelling of 102010010100001 in words is "one hundred two trillion, ten billion, ten million, one hundred thousand, one".