201151001217 has 8 divisors (see below), whose sum is σ = 272598078400. Its totient is φ = 131902295760.

The previous prime is 201151001213. The next prime is 201151001243. The reversal of 201151001217 is 712100151102.

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

It is not a de Polignac number, because 201151001217 - 2² = 201151001213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201151001193 and 201151001202.

It is not an unprimeable number, because it can be changed into a prime (201151001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549592717 + ... + 549593082.

It is an arithmetic number, because the mean of its divisors is an integer number (34074759800).

Almost surely, 2^201151001217 is an apocalyptic number.

It is an amenable number.

201151001217 is a deficient number, since it is larger than the sum of its proper divisors (71447077183).

201151001217 is a wasteful number, since it uses less digits than its factorization.

201151001217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099185863.

The product of its (nonzero) digits is 140, while the sum is 21.

Adding to 201151001217 its reverse (712100151102), we get a palindrome (913251152319).

The spelling of 201151001217 in words is "two hundred one billion, one hundred fifty-one million, one thousand, two hundred seventeen".