201210000000011 has 4 divisors (see below), whose sum is σ = 201211803440232. Its totient is φ = 201208196559792.

The previous prime is 201209999999893. The next prime is 201210000000047. The reversal of 201210000000011 is 110000000012102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201210000000011 - 2¹⁸ = 201209999737867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201210000000311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901552745 + ... + 901775898.

It is an arithmetic number, because the mean of its divisors is an integer number (50302950860058).

Almost surely, 2^{201210000000011} is an apocalyptic number.

201210000000011 is a deficient number, since it is larger than the sum of its proper divisors (1803440221).

201210000000011 is a wasteful number, since it uses less digits than its factorization.

201210000000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803440220.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201210000000011 its reverse (110000000012102), we get a palindrome (311210000012113).

The spelling of 201210000000011 in words is "two hundred one trillion, two hundred ten billion, eleven", and thus it is an aban number.