201122012005 has 8 divisors (see below), whose sum is σ = 241358856192. Its totient is φ = 160889315088.

The previous prime is 201122011991. The next prime is 201122012011. The reversal of 201122012005 is 500210221102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201122012005 - 2⁵ = 201122011973 is a prime.

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 201122012005.

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, 929109 + ... + 1124938.

It is an arithmetic number, because the mean of its divisors is an integer number (30169857024).

Almost surely, 2^201122012005 is an apocalyptic number.

It is an amenable number.

201122012005 is a deficient number, since it is larger than the sum of its proper divisors (40236844187).

201122012005 is a wasteful number, since it uses less digits than its factorization.

201122012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073635.

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

Adding to 201122012005 its reverse (500210221102), we get a palindrome (701332233107).

The spelling of 201122012005 in words is "two hundred one billion, one hundred twenty-two million, twelve thousand, five".