211000210012005 has 32 divisors (see below), whose sum is σ = 352320459632640. Its totient is φ = 107627899917120.

The previous prime is 211000210011839. The next prime is 211000210012057. The reversal of 211000210012005 is 500210012000112.

It is not a de Polignac number, because 211000210012005 - 2¹¹ = 211000210009957 is a prime.

It is a super-2 number, since 2×211000210012005² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33417741 + ... + 39226850.

It is an arithmetic number, because the mean of its divisors is an integer number (11010014363520).

Almost surely, 2^{211000210012005} is an apocalyptic number.

It is an amenable number.

211000210012005 is a deficient number, since it is larger than the sum of its proper divisors (141320249620635).

211000210012005 is a wasteful number, since it uses less digits than its factorization.

211000210012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72653041.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 211000210012005 its reverse (500210012000112), we get a palindrome (711210222012117).

The spelling of 211000210012005 in words is "two hundred eleven trillion, two hundred ten million, twelve thousand, five".