201011010 has 64 divisors (see below), whose sum is σ = 506138112. Its totient is φ = 51031296.

The previous prime is 201011003. The next prime is 201011023. The reversal of 201011010 is 10110102.

It is a super-2 number, since 2×201011010² = 80810852282440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 201011010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50244 + ... + 54096.

It is an arithmetic number, because the mean of its divisors is an integer number (7908408).

Almost surely, 2^201011010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201011010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253069056).

201011010 is an abundant number, since it is smaller than the sum of its proper divisors (305127102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201011010 is a wasteful number, since it uses less digits than its factorization.

201011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 201011010 is about 14177.8351662022. The cubic root of 201011010 is about 585.7872955928.

Adding to 201011010 its reverse (10110102), we get a palindrome (211121112).

The spelling of 201011010 in words is "two hundred one million, eleven thousand, ten".