211222120112211 has 8 divisors (see below), whose sum is σ = 303293300674000. Its totient is φ = 129982843145952.

The previous prime is 211222120112137. The next prime is 211222120112243. The reversal of 211222120112211 is 112211021222112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211222120112211 - 2³⁰ = 211221046370387 is a prime.

It is a super-2 number, since 2×211222120112211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211222120112011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2707975898836 + ... + 2707975898913.

It is an arithmetic number, because the mean of its divisors is an integer number (37911662584250).

Almost surely, 2^{211222120112211} is an apocalyptic number.

211222120112211 is a deficient number, since it is larger than the sum of its proper divisors (92071180561789).

211222120112211 is a wasteful number, since it uses less digits than its factorization.

211222120112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415951797765.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 211222120112211 its reverse (112211021222112), we get a palindrome (323433141334323).

The spelling of 211222120112211 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, two hundred eleven".