201210401 has 4 divisors (see below), whose sum is σ = 229954752. Its totient is φ = 172466052.

The previous prime is 201210377. The next prime is 201210407. The reversal of 201210401 is 104012102.

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 201210401 - 2¹⁰ = 201209377 is a prime.

It is a super-3 number, since 3×201210401³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201210407) 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, 14372165 + ... + 14372178.

It is an arithmetic number, because the mean of its divisors is an integer number (57488688).

Almost surely, 2^201210401 is an apocalyptic number.

It is an amenable number.

201210401 is a deficient number, since it is larger than the sum of its proper divisors (28744351).

201210401 is an equidigital number, since it uses as much as digits as its factorization.

201210401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28744350.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 201210401 is about 14184.8652090882. The cubic root of 201210401 is about 585.9809203369.

Adding to 201210401 its reverse (104012102), we get a palindrome (305222503).

The spelling of 201210401 in words is "two hundred one million, two hundred ten thousand, four hundred one".