201045111 has 8 divisors (see below), whose sum is σ = 283828464. Its totient is φ = 126145920.

The previous prime is 201045109. The next prime is 201045113. The reversal of 201045111 is 111540102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201045109) and next prime (201045113).

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

It is not a de Polignac number, because 201045111 - 2¹ = 201045109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201045113) 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, 1970980 + ... + 1971081.

It is an arithmetic number, because the mean of its divisors is an integer number (35478558).

Almost surely, 2^201045111 is an apocalyptic number.

201045111 is a deficient number, since it is larger than the sum of its proper divisors (82783353).

201045111 is a wasteful number, since it uses less digits than its factorization.

201045111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942081.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 201045111 is about 14179.0377318068. The cubic root of 201045111 is about 585.8204194883.

Adding to 201045111 its reverse (111540102), we get a palindrome (312585213).

The spelling of 201045111 in words is "two hundred one million, forty-five thousand, one hundred eleven".