10021011309173 has 2 divisors, whose sum is σ = 10021011309174. Its totient is φ = 10021011309172.

The previous prime is 10021011308999. The next prime is 10021011309251. The reversal of 10021011309173 is 37190311012001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7394255300644 + 2626756008529 = 2719238^2 + 1620727^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021011309173 - 2¹⁸ = 10021011047029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021011309373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010505654586 + 5010505654587.

It is an arithmetic number, because the mean of its divisors is an integer number (5010505654587).

Almost surely, 2^{10021011309173} is an apocalyptic number.

It is an amenable number.

10021011309173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021011309173 is an equidigital number, since it uses as much as digits as its factorization.

10021011309173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The spelling of 10021011309173 in words is "ten trillion, twenty-one billion, eleven million, three hundred nine thousand, one hundred seventy-three".