201152101 has 8 divisors (see below), whose sum is σ = 204041880. Its totient is φ = 198279168.

The previous prime is 201152093. The next prime is 201152111. The reversal of 201152101 is 101251102.

It can be written as a sum of positive squares in 4 ways, for example, as 20921476 + 180230625 = 4574^2 + 13425^2 .

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 201152101 - 2³ = 201152093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201152111) 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, 20895 + ... + 28963.

It is an arithmetic number, because the mean of its divisors is an integer number (25505235).

Almost surely, 2^201152101 is an apocalyptic number.

It is an amenable number.

201152101 is a deficient number, since it is larger than the sum of its proper divisors (2889779).

201152101 is an equidigital number, since it uses as much as digits as its factorization.

201152101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 201152101 is about 14182.8100530184. The cubic root of 201152101 is about 585.9243195722.

Subtracting from 201152101 its reverse (101251102), we obtain a palindrome (99900999).

The spelling of 201152101 in words is "two hundred one million, one hundred fifty-two thousand, one hundred one".