211202210202073 has 2 divisors, whose sum is σ = 211202210202074. Its totient is φ = 211202210202072.

The previous prime is 211202210202043. The next prime is 211202210202163. The reversal of 211202210202073 is 370202012202112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113787619768384 + 97414590433689 = 10667128^2 + 9869883^2 .

It is a cyclic number.

It is not a de Polignac number, because 211202210202073 - 2¹⁷ = 211202210071001 is a prime.

It is not a weakly prime, because it can be changed into another prime (211202210202043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601105101036 + 105601105101037.

It is an arithmetic number, because the mean of its divisors is an integer number (105601105101037).

Almost surely, 2^{211202210202073} is an apocalyptic number.

It is an amenable number.

211202210202073 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202210202073 is an equidigital number, since it uses as much as digits as its factorization.

211202210202073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 211202210202073 its reverse (370202012202112), we get a palindrome (581404222404185).

The spelling of 211202210202073 in words is "two hundred eleven trillion, two hundred two billion, two hundred ten million, two hundred two thousand, seventy-three".