201101345 has 16 divisors (see below), whose sum is σ = 246514752. Its totient is φ = 157435200.

The previous prime is 201101321. The next prime is 201101353. The reversal of 201101345 is 543101102.

It is not a de Polignac number, because 201101345 - 2¹⁰ = 201100321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137870 + ... + 139320.

It is an arithmetic number, because the mean of its divisors is an integer number (15407172).

Almost surely, 2^201101345 is an apocalyptic number.

It is an amenable number.

201101345 is a deficient number, since it is larger than the sum of its proper divisors (45413407).

201101345 is a wasteful number, since it uses less digits than its factorization.

201101345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 201101345 is about 14181.0205909166. The cubic root of 201101345 is about 585.8750340211.

Adding to 201101345 its reverse (543101102), we get a palindrome (744202447).

The spelling of 201101345 in words is "two hundred one million, one hundred one thousand, three hundred forty-five".