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10221001000087 is a prime number
BaseRepresentation
bin1001010010111100001100…
…1000100100010010010111
31100012010012010121021112211
42110233003020210102113
52314430102224000322
633423244003254251
72103304635012643
oct224570310442227
940163163537484
1010221001000087
11329077a670439
121190a9467a387
13591ab434c767
142749b0423c23
1512ad11e60b77
hex94bc3224497

10221001000087 has 2 divisors, whose sum is σ = 10221001000088. Its totient is φ = 10221001000086.

The previous prime is 10221001000057. The next prime is 10221001000109. The reversal of 10221001000087 is 78000010012201.

It is an a-pointer prime, because the next prime (10221001000109) can be obtained adding 10221001000087 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10221001000087 - 219 = 10221000475799 is a prime.

It is a super-2 number, since 2×102210010000872 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221001000057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110500500043 + 5110500500044.

It is an arithmetic number, because the mean of its divisors is an integer number (5110500500044).

Almost surely, 210221001000087 is an apocalyptic number.

10221001000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221001000087 is an equidigital number, since it uses as much as digits as its factorization.

10221001000087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 10221001000087 its reverse (78000010012201), we get a palindrome (88221011012288).

The spelling of 10221001000087 in words is "ten trillion, two hundred twenty-one billion, one million, eighty-seven", and thus it is an aban number.