201017011 has 8 divisors (see below), whose sum is σ = 218134224. Its totient is φ = 184136160.

The previous prime is 201016999. The next prime is 201017023. The reversal of 201017011 is 110710102.

It is an interprime number because it is at equal distance from previous prime (201016999) and next prime (201017023).

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

It is a de Polignac number, because none of the positive numbers 2^k-201017011 is a prime.

It is a super-2 number, since 2×201017011² = 80815677422748242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201016982 and 201017000.

It is not an unprimeable number, because it can be changed into a prime (201017081) 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, 57316 + ... + 60721.

It is an arithmetic number, because the mean of its divisors is an integer number (27266778).

Almost surely, 2^201017011 is an apocalyptic number.

201017011 is a deficient number, since it is larger than the sum of its proper divisors (17117213).

201017011 is a wasteful number, since it uses less digits than its factorization.

201017011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118181.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 201017011 is about 14178.0467977786. The cubic root of 201017011 is about 585.7931249162.

Adding to 201017011 its reverse (110710102), we get a palindrome (311727113).

The spelling of 201017011 in words is "two hundred one million, seventeen thousand, eleven".