102041001001 has 4 divisors (see below), whose sum is σ = 102041892612. Its totient is φ = 102040109392.

The previous prime is 102041000953. The next prime is 102041001043. The reversal of 102041001001 is 100100140201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100100140201 = 8389 ⋅11932309.

It can be written as a sum of positive squares in 2 ways, for example, as 41819841001 + 60221160000 = 204499^2 + 245400^2 .

It is a cyclic number.

It is not a de Polignac number, because 102041001001 - 2²⁷ = 101906783273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102041001301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243550 + ... + 513223.

It is an arithmetic number, because the mean of its divisors is an integer number (25510473153).

Almost surely, 2^102041001001 is an apocalyptic number.

It is an amenable number.

102041001001 is a deficient number, since it is larger than the sum of its proper divisors (891611).

102041001001 is an equidigital number, since it uses as much as digits as its factorization.

102041001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891610.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102041001001 its reverse (100100140201), we get a palindrome (202141141202).

The spelling of 102041001001 in words is "one hundred two billion, forty-one million, one thousand, one".