101115226213 has 2 divisors, whose sum is σ = 101115226214. Its totient is φ = 101115226212.

The previous prime is 101115226151. The next prime is 101115226217. The reversal of 101115226213 is 312622511101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100553678404 + 561547809 = 317102^2 + 23697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101115226213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101115226217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50557613106 + 50557613107.

It is an arithmetic number, because the mean of its divisors is an integer number (50557613107).

Almost surely, 2^101115226213 is an apocalyptic number.

It is an amenable number.

101115226213 is a deficient number, since it is larger than the sum of its proper divisors (1).

101115226213 is an equidigital number, since it uses as much as digits as its factorization.

101115226213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 101115226213 its reverse (312622511101), we get a palindrome (413737737314).

The spelling of 101115226213 in words is "one hundred one billion, one hundred fifteen million, two hundred twenty-six thousand, two hundred thirteen".