211312001212011 has 24 divisors (see below), whose sum is σ = 348881497127904. Its totient is φ = 120732757873920.

The previous prime is 211312001212009. The next prime is 211312001212057. The reversal of 211312001212011 is 110212100213112.

It is a happy number.

211312001212011 is a `hidden beast` number, since 211 + 31 + 200 + 1 + 21 + 201 + 1 = 666.

It is not a de Polignac number, because 211312001212011 - 2¹ = 211312001212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211312001211011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235063156 + ... + 235960401.

It is an arithmetic number, because the mean of its divisors is an integer number (14536729046996).

Almost surely, 2^{211312001212011} is an apocalyptic number.

211312001212011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211312001212011 is a deficient number, since it is larger than the sum of its proper divisors (137569495915893).

211312001212011 is a wasteful number, since it uses less digits than its factorization.

211312001212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471030691 (or 471030688 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 211312001212011 its reverse (110212100213112), we get a palindrome (321524101425123).

The spelling of 211312001212011 in words is "two hundred eleven trillion, three hundred twelve billion, one million, two hundred twelve thousand, eleven".