Search a number
-
+
1220102100241 is a prime number
BaseRepresentation
bin10001110000010011110…
…000001001010100010001
311022122022000100121102121
4101300103300021110101
5124442232114201431
62332301314214241
7154102160510203
oct21602360112421
94278260317377
101220102100241
11430495911582
12178569884381
138b09419008b
14430a61ca773
1521b0e8c3611
hex11c13c09511

1220102100241 has 2 divisors, whose sum is σ = 1220102100242. Its totient is φ = 1220102100240.

The previous prime is 1220102100193. The next prime is 1220102100263. The reversal of 1220102100241 is 1420012010221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1178321105025 + 41780995216 = 1085505^2 + 204404^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220102100241 - 225 = 1220068545809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220102100281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610051050120 + 610051050121.

It is an arithmetic number, because the mean of its divisors is an integer number (610051050121).

Almost surely, 21220102100241 is an apocalyptic number.

It is an amenable number.

1220102100241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220102100241 is an equidigital number, since it uses as much as digits as its factorization.

1220102100241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220102100241 its reverse (1420012010221), we get a palindrome (2640114110462).

The spelling of 1220102100241 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred thousand, two hundred forty-one".