211231441211 has 24 divisors (see below), whose sum is σ = 251822753280. Its totient is φ = 176561347200.

The previous prime is 211231441207. The next prime is 211231441219. The reversal of 211231441211 is 112144132112.

It is not a de Polignac number, because 211231441211 - 2² = 211231441207 is a prime.

It is a super-2 number, since 2×211231441211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211231441219) 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, 4761350 + ... + 4805508.

It is an arithmetic number, because the mean of its divisors is an integer number (10492614720).

Almost surely, 2^211231441211 is an apocalyptic number.

211231441211 is a deficient number, since it is larger than the sum of its proper divisors (40591312069).

211231441211 is a wasteful number, since it uses less digits than its factorization.

211231441211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46595 (or 46588 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

Adding to 211231441211 its reverse (112144132112), we get a palindrome (323375573323).

The spelling of 211231441211 in words is "two hundred eleven billion, two hundred thirty-one million, four hundred forty-one thousand, two hundred eleven".