201210011011 has 4 divisors (see below), whose sum is σ = 201273507400. Its totient is φ = 201146514624.

The previous prime is 201210010993. The next prime is 201210011099. The reversal of 201210011011 is 110110012102.

201210011011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201210011011 - 2²¹ = 201207913859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201210011311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31743441 + ... + 31749778.

It is an arithmetic number, because the mean of its divisors is an integer number (50318376850).

Almost surely, 2^201210011011 is an apocalyptic number.

201210011011 is a deficient number, since it is larger than the sum of its proper divisors (63496389).

201210011011 is an equidigital number, since it uses as much as digits as its factorization.

201210011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63496388.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201210011011 its reverse (110110012102), we get a palindrome (311320023113).

The spelling of 201210011011 in words is "two hundred one billion, two hundred ten million, eleven thousand, eleven".