211001212011 has 16 divisors (see below), whose sum is σ = 288936069120. Its totient is φ = 136914127200.

The previous prime is 211001211959. The next prime is 211001212039. The reversal of 211001212011 is 110212100112.

211001212011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211001212011 - 2¹¹ = 211001209963 is a prime.

It is a super-2 number, since 2×211001212011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211001212111) 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 15 ways as a sum of consecutive naturals, for example, 5883595 + ... + 5919348.

It is an arithmetic number, because the mean of its divisors is an integer number (18058504320).

Almost surely, 2^211001212011 is an apocalyptic number.

211001212011 is a deficient number, since it is larger than the sum of its proper divisors (77934857109).

211001212011 is a wasteful number, since it uses less digits than its factorization.

211001212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803106.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211001212011 its reverse (110212100112), we get a palindrome (321213312123).

The spelling of 211001212011 in words is "two hundred eleven billion, one million, two hundred twelve thousand, eleven".