201110401 has 4 divisors (see below), whose sum is σ = 203865412. Its totient is φ = 198355392.

The previous prime is 201110387. The next prime is 201110417. The reversal of 201110401 is 104011102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 108180801 + 92929600 = 10401^2 + 9640^2 .

It is a cyclic number.

It is not a de Polignac number, because 201110401 - 2⁵ = 201110369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201110431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377396 + ... + 1377541.

It is an arithmetic number, because the mean of its divisors is an integer number (50966353).

Almost surely, 2^201110401 is an apocalyptic number.

It is an amenable number.

201110401 is a deficient number, since it is larger than the sum of its proper divisors (2755011).

201110401 is an equidigital number, since it uses as much as digits as its factorization.

201110401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755010.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 201110401 is about 14181.3398873308. The cubic root of 201110401 is about 585.8838282681.

Adding to 201110401 its reverse (104011102), we get a palindrome (305121503).

The spelling of 201110401 in words is "two hundred one million, one hundred ten thousand, four hundred one".