Search a number
-
+
120103222221221 is a prime number
BaseRepresentation
bin11011010011101110110101…
…111001011001100110100101
3120202020202102001121011201212
4123103232311321121212211
5111220232344342034341
61103234354131201205
734204112544452501
oct3323566571314645
9522222361534655
10120103222221221
11352a554394a858
1211578986146205
1352028ba688395
142193054021301
15dd42616cc5eb
hex6d3bb5e599a5

120103222221221 has 2 divisors, whose sum is σ = 120103222221222. Its totient is φ = 120103222221220.

The previous prime is 120103222221179. The next prime is 120103222221233. The reversal of 120103222221221 is 122122222301021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119935658892196 + 167563329025 = 10951514^2 + 409345^2 .

It is a cyclic number.

It is not a de Polignac number, because 120103222221221 - 214 = 120103222204837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120103222221271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051611110610 + 60051611110611.

It is an arithmetic number, because the mean of its divisors is an integer number (60051611110611).

Almost surely, 2120103222221221 is an apocalyptic number.

It is an amenable number.

120103222221221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120103222221221 is an equidigital number, since it uses as much as digits as its factorization.

120103222221221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 120103222221221 its reverse (122122222301021), we get a palindrome (242225444522242).

The spelling of 120103222221221 in words is "one hundred twenty trillion, one hundred three billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-one".