211211001210011 has 16 divisors (see below), whose sum is σ = 239032475854560. Its totient is φ = 184863785272320.

The previous prime is 211211001209993. The next prime is 211211001210037. The reversal of 211211001210011 is 110012100112112.

It is not a de Polignac number, because 211211001210011 - 2³⁰ = 211209927468187 is a prime.

It is a super-2 number, since 2×211211001210011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211211001210211) 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, 937710980 + ... + 937936193.

It is an arithmetic number, because the mean of its divisors is an integer number (14939529740910).

Almost surely, 2^{211211001210011} is an apocalyptic number.

211211001210011 is a deficient number, since it is larger than the sum of its proper divisors (27821474644549).

211211001210011 is a wasteful number, since it uses less digits than its factorization.

211211001210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875647566.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211211001210011 its reverse (110012100112112), we get a palindrome (321223101322123).

It can be divided in two parts, 2112 and 11001210011, that multiplied together give a palindrome (23234555543232).

The spelling of 211211001210011 in words is "two hundred eleven trillion, two hundred eleven billion, one million, two hundred ten thousand, eleven".