Search a number
-
+
10022111200081 is a prime number
BaseRepresentation
bin1001000111010111010001…
…1000001100001101010001
31022111002211011100121010201
42101311310120030031101
52303200240431400311
633152032212455201
72053034154423421
oct221656430141521
938432734317121
1010022111200081
1132143985509a2
12115a42891a501
13579109042b76
14269103978481
15125a711d99c1
hex91d7460c351

10022111200081 has 2 divisors, whose sum is σ = 10022111200082. Its totient is φ = 10022111200080.

The previous prime is 10022111200069. The next prime is 10022111200103. The reversal of 10022111200081 is 18000211122001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9658520289856 + 363590910225 = 3107816^2 + 602985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10022111200081 is a prime.

It is a super-2 number, since 2×100221112000812 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10022111200481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011055600040 + 5011055600041.

It is an arithmetic number, because the mean of its divisors is an integer number (5011055600041).

Almost surely, 210022111200081 is an apocalyptic number.

It is an amenable number.

10022111200081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10022111200081 is an equidigital number, since it uses as much as digits as its factorization.

10022111200081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10022111200081 its reverse (18000211122001), we get a palindrome (28022322322082).

The spelling of 10022111200081 in words is "ten trillion, twenty-two billion, one hundred eleven million, two hundred thousand, eighty-one".