211100021211 has 8 divisors (see below), whose sum is σ = 287455348224. Its totient is φ = 137739020840.

The previous prime is 211100021203. The next prime is 211100021213. The reversal of 211100021211 is 112120001112.

211100021211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211100021211 - 2³ = 211100021203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211100021213) 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 7 ways as a sum of consecutive naturals, for example, 748581495 + ... + 748581776.

It is an arithmetic number, because the mean of its divisors is an integer number (35931918528).

Almost surely, 2^211100021211 is an apocalyptic number.

211100021211 is a deficient number, since it is larger than the sum of its proper divisors (76355327013).

211100021211 is a wasteful number, since it uses less digits than its factorization.

211100021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497163321.

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

Adding to 211100021211 its reverse (112120001112), we get a palindrome (323220022323).

The spelling of 211100021211 in words is "two hundred eleven billion, one hundred million, twenty-one thousand, two hundred eleven".