10202201111117 has 2 divisors, whose sum is σ = 10202201111118. Its totient is φ = 10202201111116.

The previous prime is 10202201111107. The next prime is 10202201111129. The reversal of 10202201111117 is 71111110220201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8217275163241 + 1984925947876 = 2866579^2 + 1408874^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202201111117 - 2¹⁰ = 10202201110093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202201111107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101100555558 + 5101100555559.

It is an arithmetic number, because the mean of its divisors is an integer number (5101100555559).

Almost surely, 2^{10202201111117} is an apocalyptic number.

It is an amenable number.

10202201111117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202201111117 is an equidigital number, since it uses as much as digits as its factorization.

10202201111117 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 20.

Adding to 10202201111117 its reverse (71111110220201), we get a palindrome (81313311331318).

The spelling of 10202201111117 in words is "ten trillion, two hundred two billion, two hundred one million, one hundred eleven thousand, one hundred seventeen".