2102104001 has 4 divisors (see below), whose sum is σ = 2110283652. Its totient is φ = 2093924352.

The previous prime is 2102103973. The next prime is 2102104013. The reversal of 2102104001 is 1004012012.

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 2050278400 + 51825601 = 45280^2 + 7199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102104001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102104091) 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, 4089440 + ... + 4089953.

It is an arithmetic number, because the mean of its divisors is an integer number (527570913).

Almost surely, 2^2102104001 is an apocalyptic number.

It is an amenable number.

2102104001 is a deficient number, since it is larger than the sum of its proper divisors (8179651).

2102104001 is an equidigital number, since it uses as much as digits as its factorization.

2102104001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179650.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2102104001 is about 45848.7077353332. The cubic root of 2102104001 is about 1281.0066952287.

Adding to 2102104001 its reverse (1004012012), we get a palindrome (3106116013).

The spelling of 2102104001 in words is "two billion, one hundred two million, one hundred four thousand, one".