211211102010212 has 24 divisors (see below), whose sum is σ = 391690899867960. Its totient is φ = 99477053930240.

The previous prime is 211211102010203. The next prime is 211211102010287. The reversal of 211211102010212 is 212010201112112.

It can be written as a sum of positive squares in 4 ways, for example, as 1327965835876 + 209883136174336 = 1152374^2 + 14487344^2 .

It is a super-3 number, since 3×211211102010212³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22204694783 + ... + 22204704294.

It is an arithmetic number, because the mean of its divisors is an integer number (16320454161165).

Almost surely, 2^{211211102010212} is an apocalyptic number.

It is an amenable number.

211211102010212 is a deficient number, since it is larger than the sum of its proper divisors (180479797857748).

211211102010212 is a wasteful number, since it uses less digits than its factorization.

211211102010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44409399151 (or 44409399149 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211211102010212 its reverse (212010201112112), we get a palindrome (423221303122324).

The spelling of 211211102010212 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred two million, ten thousand, two hundred twelve".