212110031211 has 16 divisors (see below), whose sum is σ = 306791383584. Its totient is φ = 129576478464.

The previous prime is 212110031209. The next prime is 212110031213. The reversal of 212110031211 is 112130011212.

It is an interprime number because it is at equal distance from previous prime (212110031209) and next prime (212110031213).

It is not a de Polignac number, because 212110031211 - 2¹ = 212110031209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212110031213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19843996 + ... + 19854681.

It is an arithmetic number, because the mean of its divisors is an integer number (19174461474).

Almost surely, 2^212110031211 is an apocalyptic number.

212110031211 is a deficient number, since it is larger than the sum of its proper divisors (94681352373).

212110031211 is a wasteful number, since it uses less digits than its factorization.

212110031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39698830.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 212110031211 its reverse (112130011212), we get a palindrome (324240042423).

The spelling of 212110031211 in words is "two hundred twelve billion, one hundred ten million, thirty-one thousand, two hundred eleven".