211222101122212 has 24 divisors (see below), whose sum is σ = 372474318019104. Its totient is φ = 104801436962112.

The previous prime is 211222101122191. The next prime is 211222101122239. The reversal of 211222101122212 is 212221101222112.

It is a super-2 number, since 2×211222101122212² (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, 69710098 + ... + 72676969.

It is an arithmetic number, because the mean of its divisors is an integer number (15519763250796).

Almost surely, 2^{211222101122212} is an apocalyptic number.

It is an amenable number.

211222101122212 is a deficient number, since it is larger than the sum of its proper divisors (161252216896892).

211222101122212 is a wasteful number, since it uses less digits than its factorization.

211222101122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142389915 (or 142389913 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 211222101122212 its reverse (212221101222112), we get a palindrome (423443202344324).

The spelling of 211222101122212 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred one million, one hundred twenty-two thousand, two hundred twelve".