211222101122012 has 24 divisors (see below), whose sum is σ = 370036340440704. Its totient is φ = 105497436851312.

The previous prime is 211222101121981. The next prime is 211222101122033. The reversal of 211222101122012 is 210221101222112.

It is a super-2 number, since 2×211222101122012² (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 7 ways as a sum of consecutive naturals, for example, 200112623 + ... + 201165369.

It is an arithmetic number, because the mean of its divisors is an integer number (15418180851696).

Almost surely, 2^{211222101122012} is an apocalyptic number.

It is an amenable number.

211222101122012 is a deficient number, since it is larger than the sum of its proper divisors (158814239318692).

211222101122012 is a wasteful number, since it uses less digits than its factorization.

211222101122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106665 (or 1106663 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211222101122012 its reverse (210221101222112), we get a palindrome (421443202344124).

It can be divided in two parts, 21122210 and 1122012, that added together give a palindrome (22244222).

The spelling of 211222101122012 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred one million, one hundred twenty-two thousand, twelve".