211222012102212 has 24 divisors (see below), whose sum is σ = 492961054856256. Its totient is φ = 70391666898208.

The previous prime is 211222012102111. The next prime is 211222012102223. The reversal of 211222012102212 is 212201210222112.

It is a super-2 number, since 2×211222012102212² (a number of 29 digits) contains 22 as substring.

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, 1958752488 + ... + 1958860319.

It is an arithmetic number, because the mean of its divisors is an integer number (20540043952344).

Almost surely, 2^{211222012102212} is an apocalyptic number.

It is an amenable number.

211222012102212 is an abundant number, since it is smaller than the sum of its proper divisors (281739042754044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211222012102212 is a wasteful number, since it uses less digits than its factorization.

211222012102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917617307 (or 3917617305 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211222012102212 its reverse (212201210222112), we get a palindrome (423423222324324).

The spelling of 211222012102212 in words is "two hundred eleven trillion, two hundred twenty-two billion, twelve million, one hundred two thousand, two hundred twelve".