211212100002011 has 16 divisors (see below), whose sum is σ = 216942747033600. Its totient is φ = 205553603004000.

The previous prime is 211212100001963. The next prime is 211212100002073. The reversal of 211212100002011 is 110200001212112.

It is a cyclic number.

It is not a de Polignac number, because 211212100002011 - 2²² = 211212095807707 is a prime.

It is a super-2 number, since 2×211212100002011² (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 (211212100002811) 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, 51729830 + ... + 55663268.

It is an arithmetic number, because the mean of its divisors is an integer number (13558921689600).

Almost surely, 2^{211212100002011} is an apocalyptic number.

211212100002011 is a deficient number, since it is larger than the sum of its proper divisors (5730647031589).

211212100002011 is a wasteful number, since it uses less digits than its factorization.

211212100002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942610.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211212100002011 its reverse (110200001212112), we get a palindrome (321412101214123).

The spelling of 211212100002011 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred million, two thousand, eleven".