201050011 has 4 divisors (see below), whose sum is σ = 207982800. Its totient is φ = 194117224.

The previous prime is 201049999. The next prime is 201050029. The reversal of 201050011 is 110050102.

201050011 = 2619² + 2620² + ... + 2647².

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201050011 - 2¹¹ = 201047963 is a prime.

It is a super-2 number, since 2×201050011² = 80842213846200242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201050011.

It is not an unprimeable number, because it can be changed into a prime (201050071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3466351 + ... + 3466408.

It is an arithmetic number, because the mean of its divisors is an integer number (51995700).

Almost surely, 2^201050011 is an apocalyptic number.

201050011 is a deficient number, since it is larger than the sum of its proper divisors (6932789).

201050011 is an equidigital number, since it uses as much as digits as its factorization.

201050011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932788.

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

The square root of 201050011 is about 14179.2105210410. The cubic root of 201050011 is about 585.8251787795.

Subtracting from 201050011 its reverse (110050102), we obtain a palindrome (90999909).

The spelling of 201050011 in words is "two hundred one million, fifty thousand, eleven".