201011510206 has 16 divisors (see below), whose sum is σ = 324718876944. Its totient is φ = 92772264384.

The previous prime is 201011510137. The next prime is 201011510213. The reversal of 201011510206 is 602015110102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471545 + ... + 1602331.

It is an arithmetic number, because the mean of its divisors is an integer number (20294929809).

Almost surely, 2^201011510206 is an apocalyptic number.

201011510206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

201011510206 is a deficient number, since it is larger than the sum of its proper divisors (123707366738).

201011510206 is a wasteful number, since it uses less digits than its factorization.

201011510206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189915.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 201011510206 its reverse (602015110102), we get a palindrome (803026620308).

The spelling of 201011510206 in words is "two hundred one billion, eleven million, five hundred ten thousand, two hundred six".