204111401 has 8 divisors (see below), whose sum is σ = 232742664. Its totient is φ = 177327360.

The previous prime is 204111379. The next prime is 204111403. The reversal of 204111401 is 104111402.

204111401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32501401 + 171610000 = 5701^2 + 13100^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204111401 - 2⁶ = 204111337 is a prime.

It is a super-2 number, since 2×204111401² = 83322928036365602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204111403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461570 + ... + 462011.

It is an arithmetic number, because the mean of its divisors is an integer number (29092833).

Almost surely, 2^204111401 is an apocalyptic number.

It is an amenable number.

204111401 is a deficient number, since it is larger than the sum of its proper divisors (28631263).

204111401 is a wasteful number, since it uses less digits than its factorization.

204111401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923611.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 204111401 is about 14286.7561398660. The cubic root of 204111401 is about 588.7836676699.

Adding to 204111401 its reverse (104111402), we get a palindrome (308222803).

Subtracting from 204111401 its reverse (104111402), we obtain a palindrome (99999999).

It can be divided in two parts, 20411 and 1401, that added together give a palindrome (21812).

The spelling of 204111401 in words is "two hundred four million, one hundred eleven thousand, four hundred one".