211211002202212 has 24 divisors (see below), whose sum is σ = 370284716378304. Its totient is φ = 105415492223712.

The previous prime is 211211002202209. The next prime is 211211002202251. The reversal of 211211002202212 is 212202200112112.

It is a super-2 number, since 2×211211002202212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211211002202212.

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, 8553358 + ... + 22261669.

It is an arithmetic number, because the mean of its divisors is an integer number (15428529849096).

Almost surely, 2^{211211002202212} is an apocalyptic number.

It is an amenable number.

211211002202212 is a deficient number, since it is larger than the sum of its proper divisors (159073714176092).

211211002202212 is a wasteful number, since it uses less digits than its factorization.

211211002202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30818115 (or 30818113 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211211002202212 its reverse (212202200112112), we get a palindrome (423413202314324).

The spelling of 211211002202212 in words is "two hundred eleven trillion, two hundred eleven billion, two million, two hundred two thousand, two hundred twelve".