211201012111073 has 2 divisors, whose sum is σ = 211201012111074. Its totient is φ = 211201012111072.

The previous prime is 211201012111069. The next prime is 211201012111139. The reversal of 211201012111073 is 370111210102112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126144974919184 + 85056037191889 = 11231428^2 + 9222583^2 .

It is a cyclic number.

It is not a de Polignac number, because 211201012111073 - 2² = 211201012111069 is a prime.

It is a super-2 number, since 2×211201012111073² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211201012111373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105600506055536 + 105600506055537.

It is an arithmetic number, because the mean of its divisors is an integer number (105600506055537).

Almost surely, 2^{211201012111073} is an apocalyptic number.

It is an amenable number.

211201012111073 is a deficient number, since it is larger than the sum of its proper divisors (1).

211201012111073 is an equidigital number, since it uses as much as digits as its factorization.

211201012111073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 211201012111073 its reverse (370111210102112), we get a palindrome (581312222213185).

The spelling of 211201012111073 in words is "two hundred eleven trillion, two hundred one billion, twelve million, one hundred eleven thousand, seventy-three".