201011040205 has 16 divisors (see below), whose sum is σ = 243737912880. Its totient is φ = 159126239232.

The previous prime is 201011040121. The next prime is 201011040211. The reversal of 201011040205 is 502040110102.

It can be written as a sum of positive squares in 8 ways, for example, as 14682411241 + 186328628964 = 121171^2 + 431658^2 .

It is a cyclic number.

It is not a de Polignac number, because 201011040205 - 2¹⁷ = 201010909133 is a prime.

It is a super-2 number, since 2×201011040205² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3481311 + ... + 3538579.

It is an arithmetic number, because the mean of its divisors is an integer number (15233619555).

Almost surely, 2^201011040205 is an apocalyptic number.

It is an amenable number.

201011040205 is a deficient number, since it is larger than the sum of its proper divisors (42726872675).

201011040205 is an equidigital number, since it uses as much as digits as its factorization.

201011040205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64608.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 201011040205 its reverse (502040110102), we get a palindrome (703051150307).

The spelling of 201011040205 in words is "two hundred one billion, eleven million, forty thousand, two hundred five".