210401004401 has 16 divisors (see below), whose sum is σ = 246251510400. Its totient is φ = 179692576560.

The previous prime is 210401004379. The next prime is 210401004403. The reversal of 210401004401 is 104400104012.

210401004401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-210401004401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210401004401.

It is not an unprimeable number, because it can be changed into a prime (210401004403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012235 + ... + 1202256.

It is an arithmetic number, because the mean of its divisors is an integer number (15390719400).

Almost surely, 2^210401004401 is an apocalyptic number.

It is an amenable number.

210401004401 is a deficient number, since it is larger than the sum of its proper divisors (35850505999).

210401004401 is an equidigital number, since it uses as much as digits as its factorization.

210401004401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214789 (or 2214775 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210401004401 its reverse (104400104012), we get a palindrome (314801108413).

The spelling of 210401004401 in words is "two hundred ten billion, four hundred one million, four thousand, four hundred one".