210011122001211 has 16 divisors (see below), whose sum is σ = 287948214330624. Its totient is φ = 136050338397024.

The previous prime is 210011122001159. The next prime is 210011122001231. The reversal of 210011122001211 is 112100221110012.

It is a happy number.

It is not a de Polignac number, because 210011122001211 - 2⁹ = 210011122000699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210011122001231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1201940655 + ... + 1202115368.

It is an arithmetic number, because the mean of its divisors is an integer number (17996763395664).

Almost surely, 2^{210011122001211} is an apocalyptic number.

210011122001211 is a deficient number, since it is larger than the sum of its proper divisors (77937092329413).

210011122001211 is a wasteful number, since it uses less digits than its factorization.

210011122001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404056850.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210011122001211 its reverse (112100221110012), we get a palindrome (322111343111223).

The spelling of 210011122001211 in words is "two hundred ten trillion, eleven billion, one hundred twenty-two million, one thousand, two hundred eleven".