101231201 has 4 divisors (see below), whose sum is σ = 101267712. Its totient is φ = 101194692.

The previous prime is 101231191. The next prime is 101231227. The reversal of 101231201 is 102132101.

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 101231201 - 2¹⁰ = 101230177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101231261) 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, 13721 + ... + 19766.

It is an arithmetic number, because the mean of its divisors is an integer number (25316928).

Almost surely, 2^101231201 is an apocalyptic number.

It is an amenable number.

101231201 is a deficient number, since it is larger than the sum of its proper divisors (36511).

101231201 is an equidigital number, since it uses as much as digits as its factorization.

101231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36510.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101231201 is about 10061.3717255651. The cubic root of 101231201 is about 466.0560282489.

Adding to 101231201 its reverse (102132101), we get a palindrome (203363302).

The spelling of 101231201 in words is "one hundred one million, two hundred thirty-one thousand, two hundred one".