Search a number
-
+
101222104849 is a prime number
BaseRepresentation
bin101111001000101001…
…1101011111100010001
3100200021100020200221021
41132101103223330101
53124300324323344
6114300100555441
710212243460255
oct1362123537421
9320240220837
10101222104849
1139a2326a608
121774b0b2b81
139711a733c8
144c834a6265
15297668eb84
hex17914ebf11

101222104849 has 2 divisors, whose sum is σ = 101222104850. Its totient is φ = 101222104848.

The previous prime is 101222104847. The next prime is 101222104889. The reversal of 101222104849 is 948401222101.

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., 88665781824 + 12556323025 = 297768^2 + 112055^2 .

It is an emirp because it is prime and its reverse (948401222101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101222104849 - 21 = 101222104847 is a prime.

Together with 101222104847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101222104843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611052424 + 50611052425.

It is an arithmetic number, because the mean of its divisors is an integer number (50611052425).

Almost surely, 2101222104849 is an apocalyptic number.

It is an amenable number.

101222104849 is a deficient number, since it is larger than the sum of its proper divisors (1).

101222104849 is an equidigital number, since it uses as much as digits as its factorization.

101222104849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 101222104849 in words is "one hundred one billion, two hundred twenty-two million, one hundred four thousand, eight hundred forty-nine".