101213017 has 2 divisors, whose sum is σ = 101213018. Its totient is φ = 101213016.

The previous prime is 101213003. The next prime is 101213029. The reversal of 101213017 is 710312101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78517321 + 22695696 = 8861^2 + 4764^2 .

It is a cyclic number.

It is not a de Polignac number, because 101213017 - 2⁷ = 101212889 is a prime.

It is not a weakly prime, because it can be changed into another prime (101213417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606508 + 50606509.

It is an arithmetic number, because the mean of its divisors is an integer number (50606509).

Almost surely, 2^101213017 is an apocalyptic number.

It is an amenable number.

101213017 is a deficient number, since it is larger than the sum of its proper divisors (1).

101213017 is an equidigital number, since it uses as much as digits as its factorization.

101213017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 101213017 is about 10060.4680308622. The cubic root of 101213017 is about 466.0281209429.

Adding to 101213017 its reverse (710312101), we get a palindrome (811525118).

The spelling of 101213017 in words is "one hundred one million, two hundred thirteen thousand, seventeen".