101211265417 has 2 divisors, whose sum is σ = 101211265418. Its totient is φ = 101211265416.

The previous prime is 101211265411. The next prime is 101211265489. The reversal of 101211265417 is 714562112101.

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., 72912960576 + 28298304841 = 270024^2 + 168221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101211265417 is a prime.

It is not a weakly prime, because it can be changed into another prime (101211265411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605632708 + 50605632709.

It is an arithmetic number, because the mean of its divisors is an integer number (50605632709).

Almost surely, 2^101211265417 is an apocalyptic number.

It is an amenable number.

101211265417 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211265417 is an equidigital number, since it uses as much as digits as its factorization.

101211265417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 31.

Adding to 101211265417 its reverse (714562112101), we get a palindrome (815773377518).

The spelling of 101211265417 in words is "one hundred one billion, two hundred eleven million, two hundred sixty-five thousand, four hundred seventeen".