100202117 has 2 divisors, whose sum is σ = 100202118. Its totient is φ = 100202116.

The previous prime is 100202101. The next prime is 100202147. The reversal of 100202117 is 711202001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70543201 + 29658916 = 8399^2 + 5446^2 .

It is a cyclic number.

It is not a de Polignac number, because 100202117 - 2⁴ = 100202101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100202147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101058 + 50101059.

It is an arithmetic number, because the mean of its divisors is an integer number (50101059).

Almost surely, 2^100202117 is an apocalyptic number.

It is an amenable number.

100202117 is a deficient number, since it is larger than the sum of its proper divisors (1).

100202117 is an equidigital number, since it uses as much as digits as its factorization.

100202117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 100202117 is about 10010.1007487437. The cubic root of 100202117 is about 464.4713875845.

Adding to 100202117 its reverse (711202001), we get a palindrome (811404118).

The spelling of 100202117 in words is "one hundred million, two hundred two thousand, one hundred seventeen".