2101004401 has 4 divisors (see below), whose sum is σ = 2211583600. Its totient is φ = 1990425204.

The previous prime is 2101004371. The next prime is 2101004407. The reversal of 2101004401 is 1044001012.

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 not a de Polignac number, because 2101004401 - 2²¹ = 2098907249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101004407) 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, 55289571 + ... + 55289608.

It is an arithmetic number, because the mean of its divisors is an integer number (552895900).

Almost surely, 2^2101004401 is an apocalyptic number.

It is an amenable number.

2101004401 is a deficient number, since it is larger than the sum of its proper divisors (110579199).

2101004401 is a wasteful number, since it uses less digits than its factorization.

2101004401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110579198.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2101004401 is about 45836.7145528560. The cubic root of 2101004401 is about 1280.7832935571.

Adding to 2101004401 its reverse (1044001012), we get a palindrome (3145005413).

The spelling of 2101004401 in words is "two billion, one hundred one million, four thousand, four hundred one".