211121002211 has 48 divisors (see below), whose sum is σ = 265441631040. Its totient is φ = 164260669440.

The previous prime is 211121002159. The next prime is 211121002219. The reversal of 211121002211 is 112200121112.

It is not a de Polignac number, because 211121002211 - 2¹⁸ = 211120740067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211121002219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80548481 + ... + 80551101.

It is an arithmetic number, because the mean of its divisors is an integer number (5530033980).

Almost surely, 2^211121002211 is an apocalyptic number.

211121002211 is a deficient number, since it is larger than the sum of its proper divisors (54320628829).

211121002211 is a wasteful number, since it uses less digits than its factorization.

211121002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064 (or 4047 counting only the distinct ones).

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

Adding to 211121002211 its reverse (112200121112), we get a palindrome (323321123323).

The spelling of 211121002211 in words is "two hundred eleven billion, one hundred twenty-one million, two thousand, two hundred eleven".