201121150717 has 8 divisors (see below), whose sum is σ = 205055791200. Its totient is φ = 197204037264.

The previous prime is 201121150669. The next prime is 201121150721. The reversal of 201121150717 is 717051121102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201121150717 is a prime.

It is a super-2 number, since 2×201121150717² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121151717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4358583 + ... + 4404484.

It is an arithmetic number, because the mean of its divisors is an integer number (25631973900).

Almost surely, 2^201121150717 is an apocalyptic number.

It is an amenable number.

201121150717 is a deficient number, since it is larger than the sum of its proper divisors (3934640483).

201121150717 is an equidigital number, since it uses as much as digits as its factorization.

201121150717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763515.

The product of its (nonzero) digits is 980, while the sum is 28.

Adding to 201121150717 its reverse (717051121102), we get a palindrome (918172271819).

The spelling of 201121150717 in words is "two hundred one billion, one hundred twenty-one million, one hundred fifty thousand, seven hundred seventeen".