211222102210012 has 48 divisors (see below), whose sum is σ = 373719982759200. Its totient is φ = 104448583572480.

The previous prime is 211222102210003. The next prime is 211222102210117. The reversal of 211222102210012 is 210012201222112.

It is a super-2 number, since 2×211222102210012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213399187 + ... + 3213464917.

It is an arithmetic number, because the mean of its divisors is an integer number (7785832974150).

Almost surely, 2^{211222102210012} is an apocalyptic number.

It is an amenable number.

211222102210012 is a deficient number, since it is larger than the sum of its proper divisors (162497880549188).

211222102210012 is a wasteful number, since it uses less digits than its factorization.

211222102210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79366 (or 79364 counting only the distinct ones).

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

Adding to 211222102210012 its reverse (210012201222112), we get a palindrome (421234303432124).

The spelling of 211222102210012 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred two million, two hundred ten thousand, twelve".