2104401100402 has 4 divisors (see below), whose sum is σ = 3156601650606. Its totient is φ = 1052200550200.

The previous prime is 2104401100381. The next prime is 2104401100457. The reversal of 2104401100402 is 2040011044012.

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

It can be written as a sum of positive squares in only one way, i.e., 1244940461361 + 859460639041 = 1115769^2 + 927071^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2104401100402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526100275099 + ... + 526100275102.

Almost surely, 2^{2104401100402} is an apocalyptic number.

2104401100402 is a deficient number, since it is larger than the sum of its proper divisors (1052200550204).

2104401100402 is a wasteful number, since it uses less digits than its factorization.

2104401100402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052200550203.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2104401100402 its reverse (2040011044012), we get a palindrome (4144412144414).

The spelling of 2104401100402 in words is "two trillion, one hundred four billion, four hundred one million, one hundred thousand, four hundred two".