201001105 has 8 divisors (see below), whose sum is σ = 243456192. Its totient is φ = 159297648.

The previous prime is 201001067. The next prime is 201001109. The reversal of 201001105 is 501100102.

It is a happy number.

201001105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201001105 - 2⁹ = 201000593 is a prime.

It is a super-2 number, since 2×201001105² = 80802888422442050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201001091 and 201001100.

It is not an unprimeable number, because it can be changed into a prime (201001109) 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, 187317 + ... + 188386.

It is an arithmetic number, because the mean of its divisors is an integer number (30432024).

Almost surely, 2^201001105 is an apocalyptic number.

It is an amenable number.

201001105 is a deficient number, since it is larger than the sum of its proper divisors (42455087).

201001105 is a wasteful number, since it uses less digits than its factorization.

201001105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375815.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 201001105 is about 14177.4858490495. The cubic root of 201001105 is about 585.7776737011. Note that the first 3 decimals are identical.

Adding to 201001105 its reverse (501100102), we get a palindrome (702101207).

The spelling of 201001105 in words is "two hundred one million, one thousand, one hundred five".