211222102201049 has 2 divisors, whose sum is σ = 211222102201050. Its totient is φ = 211222102201048.

The previous prime is 211222102201027. The next prime is 211222102201051. The reversal of 211222102201049 is 940102201222112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150312381438025 + 60909720763024 = 12260195^2 + 7804468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211222102201049 is a prime.

It is a super-5 number, since 5×211222102201049⁵ (a number of 73 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

Together with 211222102201051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211222102201009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611051100524 + 105611051100525.

It is an arithmetic number, because the mean of its divisors is an integer number (105611051100525).

Almost surely, 2^{211222102201049} is an apocalyptic number.

It is an amenable number.

211222102201049 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222102201049 is an equidigital number, since it uses as much as digits as its factorization.

211222102201049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 211222102201049 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred two million, two hundred one thousand, forty-nine".