211100012211 has 8 divisors (see below), whose sum is σ = 307054563264. Its totient is φ = 127939401320.

The previous prime is 211100012191. The next prime is 211100012257. The reversal of 211100012211 is 112210001112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211100012211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211100019211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198485001 + ... + 3198485066.

It is an arithmetic number, because the mean of its divisors is an integer number (38381820408).

Almost surely, 2^211100012211 is an apocalyptic number.

211100012211 is a deficient number, since it is larger than the sum of its proper divisors (95954551053).

211100012211 is a wasteful number, since it uses less digits than its factorization.

211100012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396970081.

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

Adding to 211100012211 its reverse (112210001112), we get a palindrome (323310013323).

The spelling of 211100012211 in words is "two hundred eleven billion, one hundred million, twelve thousand, two hundred eleven".