10111210999973 has 2 divisors, whose sum is σ = 10111210999974. Its totient is φ = 10111210999972.

The previous prime is 10111210999919. The next prime is 10111211000027. The reversal of 10111210999973 is 37999901211101.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10111210999919) and next prime (10111211000027).

It can be written as a sum of positive squares in only one way, i.e., 10051448841604 + 59762158369 = 3170402^2 + 244463^2 .

It is an emirp because it is prime and its reverse (37999901211101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10111210999973 - 2²⁰ = 10111209951397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111210999273) 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, 5055605499986 + 5055605499987.

It is an arithmetic number, because the mean of its divisors is an integer number (5055605499987).

Almost surely, 2^{10111210999973} is an apocalyptic number.

It is an amenable number.

10111210999973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111210999973 is an equidigital number, since it uses as much as digits as its factorization.

10111210999973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275562, while the sum is 53.

The spelling of 10111210999973 in words is "ten trillion, one hundred eleven billion, two hundred ten million, nine hundred ninety-nine thousand, nine hundred seventy-three".