10102121173 has 2 divisors, whose sum is σ = 10102121174. Its totient is φ = 10102121172.

The previous prime is 10102121167. The next prime is 10102121269. The reversal of 10102121173 is 37112120101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6324543729 + 3777577444 = 79527^2 + 61462^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102121173 - 2⁹ = 10102120661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10102121173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102121273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051060586 + 5051060587.

It is an arithmetic number, because the mean of its divisors is an integer number (5051060587).

Almost surely, 2^10102121173 is an apocalyptic number.

It is an amenable number.

10102121173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102121173 is an equidigital number, since it uses as much as digits as its factorization.

10102121173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 10102121173 its reverse (37112120101), we get a palindrome (47214241274).

The spelling of 10102121173 in words is "ten billion, one hundred two million, one hundred twenty-one thousand, one hundred seventy-three".