211222202122147 has 2 divisors, whose sum is σ = 211222202122148. Its totient is φ = 211222202122146.

The previous prime is 211222202122117. The next prime is 211222202122181. The reversal of 211222202122147 is 741221202222112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211222202122147 - 2¹⁹ = 211222201597859 is a prime.

It is a super-2 number, since 2×211222202122147² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211222202122117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611101061073 + 105611101061074.

It is an arithmetic number, because the mean of its divisors is an integer number (105611101061074).

Almost surely, 2^{211222202122147} is an apocalyptic number.

211222202122147 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222202122147 is an equidigital number, since it uses as much as digits as its factorization.

211222202122147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 31.

Adding to 211222202122147 its reverse (741221202222112), we get a palindrome (952443404344259).

The spelling of 211222202122147 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty-two thousand, one hundred forty-seven".