2201604204001 has 4 divisors (see below), whose sum is σ = 2201806512432. Its totient is φ = 2201401895572.

The previous prime is 2201604203989. The next prime is 2201604204049. The reversal of 2201604204001 is 1004024061022.

It is a happy number.

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 2201604204001 - 2¹³ = 2201604195809 is a prime.

It is a super-2 number, since 2×2201604204001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201604204061) 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, 101137891 + ... + 101159656.

It is an arithmetic number, because the mean of its divisors is an integer number (550451628108).

Almost surely, 2^{2201604204001} is an apocalyptic number.

It is an amenable number.

2201604204001 is a deficient number, since it is larger than the sum of its proper divisors (202308431).

2201604204001 is a wasteful number, since it uses less digits than its factorization.

2201604204001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202308430.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2201604204001 its reverse (1004024061022), we get a palindrome (3205628265023).

The spelling of 2201604204001 in words is "two trillion, two hundred one billion, six hundred four million, two hundred four thousand, one".