Search a number
-
+
1222322230121 is a prime number
BaseRepresentation
bin10001110010011000000…
…101010001001101101001
311022212000201220220002012
4101302120011101031221
5130011303442330441
62333305503245305
7154211166346106
oct21623005211551
94285021826065
101222322230121
1143142503aa63
12178a892a9835
138b35911bcb5
1443236dc7aad
1521bde7699eb
hex11c98151369

1222322230121 has 2 divisors, whose sum is σ = 1222322230122. Its totient is φ = 1222322230120.

The previous prime is 1222322230109. The next prime is 1222322230123. The reversal of 1222322230121 is 1210322232221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1187478781225 + 34843448896 = 1089715^2 + 186664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222322230121 - 210 = 1222322229097 is a prime.

Together with 1222322230123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1222322230123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611161115060 + 611161115061.

It is an arithmetic number, because the mean of its divisors is an integer number (611161115061).

Almost surely, 21222322230121 is an apocalyptic number.

It is an amenable number.

1222322230121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222322230121 is an equidigital number, since it uses as much as digits as its factorization.

1222322230121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1222322230121 its reverse (1210322232221), we get a palindrome (2432644462342).

The spelling of 1222322230121 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-two million, two hundred thirty thousand, one hundred twenty-one".