1012011220117 has 2 divisors, whose sum is σ = 1012011220118. Its totient is φ = 1012011220116.

The previous prime is 1012011220097. The next prime is 1012011220123. The reversal of 1012011220117 is 7110221102101.

1012011220117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558717380676 + 453293839441 = 747474^2 + 673271^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012011220117 - 2²³ = 1012002831509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012011220094 and 1012011220103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012011220217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506005610058 + 506005610059.

It is an arithmetic number, because the mean of its divisors is an integer number (506005610059).

Almost surely, 2^{1012011220117} is an apocalyptic number.

It is an amenable number.

1012011220117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012011220117 is an equidigital number, since it uses as much as digits as its factorization.

1012011220117 is an evil number, because the sum of its binary digits is even.

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

Adding to 1012011220117 its reverse (7110221102101), we get a palindrome (8122232322218).

The spelling of 1012011220117 in words is "one trillion, twelve billion, eleven million, two hundred twenty thousand, one hundred seventeen".