Search a number
-
+
2220100111001 is a prime number
BaseRepresentation
bin100000010011101000010…
…001110100101010011001
321212020110121000222012002
4200103220101310222121
5242333231112023001
64415522214130345
7316253102402543
oct40235021645231
97766417028162
102220100111001
117865a26a8973
122ba32b0509b5
1313147bc10346
147964c276693
153cb3ad9546b
hex204e8474a99

2220100111001 has 2 divisors, whose sum is σ = 2220100111002. Its totient is φ = 2220100111000.

The previous prime is 2220100110979. The next prime is 2220100111013. The reversal of 2220100111001 is 1001110010222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2161417470976 + 58682640025 = 1470176^2 + 242245^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220100111001 - 226 = 2220033002137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220100161001) 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, 1110050055500 + 1110050055501.

It is an arithmetic number, because the mean of its divisors is an integer number (1110050055501).

Almost surely, 22220100111001 is an apocalyptic number.

It is an amenable number.

2220100111001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220100111001 is an equidigital number, since it uses as much as digits as its factorization.

2220100111001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2220100111001 its reverse (1001110010222), we get a palindrome (3221210121223).

The spelling of 2220100111001 in words is "two trillion, two hundred twenty billion, one hundred million, one hundred eleven thousand, one".