211222001112 has 32 divisors (see below), whose sum is σ = 528468591600. Its totient is φ = 70352188544.

The previous prime is 211222001099. The next prime is 211222001129. The reversal of 211222001112 is 211100222112.

It is a super-2 number, since 2×211222001112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222001091 and 211222001100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3415287 + ... + 3476582.

Almost surely, 2^211222001112 is an apocalyptic number.

It is an amenable number.

211222001112 is an abundant number, since it is smaller than the sum of its proper divisors (317246590488).

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

211222001112 is a wasteful number, since it uses less digits than its factorization.

211222001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6893155 (or 6893151 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211222001112 its reverse (211100222112), we get a palindrome (422322223224).

The spelling of 211222001112 in words is "two hundred eleven billion, two hundred twenty-two million, one thousand, one hundred twelve".