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100001111220151 is a prime number
BaseRepresentation
bin10110101111001101010010…
…101101100001111110110111
3111010002000100101021100202121
4112233031102231201332313
5101101404233433021101
6552403513140020411
730030561521306161
oct2657152255417667
9433060311240677
10100001111220151
1129955262295339
12b270a75991707
1343a50ab42496b
141a9a118631931
15b863d21200a1
hex5af352b61fb7

100001111220151 has 2 divisors, whose sum is σ = 100001111220152. Its totient is φ = 100001111220150.

The previous prime is 100001111220047. The next prime is 100001111220167. The reversal of 100001111220151 is 151022111100001.

It is an a-pointer prime, because the next prime (100001111220167) can be obtained adding 100001111220151 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100001111220151 - 225 = 100001077665719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001111220191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000555610075 + 50000555610076.

It is an arithmetic number, because the mean of its divisors is an integer number (50000555610076).

Almost surely, 2100001111220151 is an apocalyptic number.

100001111220151 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001111220151 is an equidigital number, since it uses as much as digits as its factorization.

100001111220151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 100001111220151 its reverse (151022111100001), we get a palindrome (251023222320152).

The spelling of 100001111220151 in words is "one hundred trillion, one billion, one hundred eleven million, two hundred twenty thousand, one hundred fifty-one".