Search a number
-
+
10221210109927 is a prime number
BaseRepresentation
bin1001010010111100111110…
…0110010000011111100111
31100012010201201002011022201
42110233033212100133213
52314431014242004202
633423320433235331
72103313054301425
oct224571746203747
940163651064281
1010221210109927
113290877705793
121190b32702b47
13591b187763ab
142749d00d8115
1512ad254b9387
hex94bcf9907e7

10221210109927 has 2 divisors, whose sum is σ = 10221210109928. Its totient is φ = 10221210109926.

The previous prime is 10221210109921. The next prime is 10221210110003. The reversal of 10221210109927 is 72990101212201.

It is a weak prime.

It is an emirp because it is prime and its reverse (72990101212201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10221210109927 - 239 = 9671454296039 is a prime.

It is a super-2 number, since 2×102212101099272 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221210109921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110605054963 + 5110605054964.

It is an arithmetic number, because the mean of its divisors is an integer number (5110605054964).

Almost surely, 210221210109927 is an apocalyptic number.

10221210109927 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221210109927 is an equidigital number, since it uses as much as digits as its factorization.

10221210109927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 10221210109927 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, one hundred nine thousand, nine hundred twenty-seven".