12101021002117 has 2 divisors, whose sum is σ = 12101021002118. Its totient is φ = 12101021002116.

The previous prime is 12101021002043. The next prime is 12101021002157. The reversal of 12101021002117 is 71120012010121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12098146541121 + 2874460996 = 3478239^2 + 53614^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101021002117 - 2⁷ = 12101021001989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12101021002094 and 12101021002103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101021002157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050510501058 + 6050510501059.

It is an arithmetic number, because the mean of its divisors is an integer number (6050510501059).

Almost surely, 2^{12101021002117} is an apocalyptic number.

It is an amenable number.

12101021002117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101021002117 is an equidigital number, since it uses as much as digits as its factorization.

12101021002117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 12101021002117 its reverse (71120012010121), we get a palindrome (83221033012238).

The spelling of 12101021002117 in words is "twelve trillion, one hundred one billion, twenty-one million, two thousand, one hundred seventeen".