211222120112243 has 2 divisors, whose sum is σ = 211222120112244. Its totient is φ = 211222120112242.

The previous prime is 211222120112137. The next prime is 211222120112323. The reversal of 211222120112243 is 342211021222112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211222120112243 - 2²⁴ = 211222103335027 is a prime.

It is a super-2 number, since 2×211222120112243² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211222120312243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611060056121 + 105611060056122.

It is an arithmetic number, because the mean of its divisors is an integer number (105611060056122).

Almost surely, 2^{211222120112243} is an apocalyptic number.

211222120112243 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222120112243 is an equidigital number, since it uses as much as digits as its factorization.

211222120112243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 211222120112243 its reverse (342211021222112), we get a palindrome (553433141334355).

The spelling of 211222120112243 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, two hundred forty-three".