Search a number
-
+
10120121227 is a prime number
BaseRepresentation
bin10010110110011010…
…01100101110001011
3222010021210102110201
421123031030232023
5131211222334402
64352113153031
7505533416416
oct113315145613
928107712421
1010120121227
1143235a9957
121b6525b777
13c53857618
146c00b0b7d
153e36d9687
hex25b34cb8b

10120121227 has 2 divisors, whose sum is σ = 10120121228. Its totient is φ = 10120121226.

The previous prime is 10120121189. The next prime is 10120121243. The reversal of 10120121227 is 72212102101.

10120121227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (72212102101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10120121227 is a prime.

It is not a weakly prime, because it can be changed into another prime (10120121527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060060613 + 5060060614.

It is an arithmetic number, because the mean of its divisors is an integer number (5060060614).

Almost surely, 210120121227 is an apocalyptic number.

10120121227 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120121227 is an equidigital number, since it uses as much as digits as its factorization.

10120121227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 10120121227 its reverse (72212102101), we get a palindrome (82332223328).

The spelling of 10120121227 in words is "ten billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-seven".