201102012012005 has 16 divisors (see below), whose sum is σ = 268847252135280. Its totient is φ = 143385201136128.

The previous prime is 201102012011941. The next prime is 201102012012023. The reversal of 201102012012005 is 500210210201102.

It can be written as a sum of positive squares in 8 ways, for example, as 241943966884 + 200860068045121 = 491878^2 + 14172511^2 .

It is a cyclic number.

It is not a de Polignac number, because 201102012012005 - 2⁶ = 201102012011941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53342706872 + ... + 53342710641.

It is an arithmetic number, because the mean of its divisors is an integer number (16802953258455).

Almost surely, 2^{201102012012005} is an apocalyptic number.

It is an amenable number.

201102012012005 is a deficient number, since it is larger than the sum of its proper divisors (67745240123275).

201102012012005 is a wasteful number, since it uses less digits than its factorization.

201102012012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106685417560.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 201102012012005 its reverse (500210210201102), we get a palindrome (701312222213107).

The spelling of 201102012012005 in words is "two hundred one trillion, one hundred two billion, twelve million, twelve thousand, five".