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10221002112001 = 171924889340657
BaseRepresentation
bin1001010010111100001100…
…1100110011110000000001
31100012010012012200202210211
42110233003030303300001
52314430103020041001
633423244043154121
72103304650323452
oct224570314636001
940163165622724
1010221002112001
11329078025a87a
121190a94b15941
13591ab464b8b5
142749b0633129
1512ad120d0351
hex94bc3333c01

10221002112001 has 24 divisors (see below), whose sum is σ = 11424177237960. Its totient is φ = 9111572361216.

The previous prime is 10221002111993. The next prime is 10221002112023. The reversal of 10221002112001 is 10021120012201.

It can be written as a sum of positive squares in 4 ways, for example, as 3536088441601 + 6684913670400 = 1880449^2 + 2585520^2 .

It is not a de Polignac number, because 10221002112001 - 23 = 10221002111993 is a prime.

It is a super-3 number, since 3×102210021120013 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221002115001) 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 in 23 ways as a sum of consecutive naturals, for example, 29833465 + ... + 30174121.

It is an arithmetic number, because the mean of its divisors is an integer number (476007384915).

Almost surely, 210221002112001 is an apocalyptic number.

It is an amenable number.

10221002112001 is a deficient number, since it is larger than the sum of its proper divisors (1203175125959).

10221002112001 is a wasteful number, since it uses less digits than its factorization.

10221002112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345601 (or 345582 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221002112001 its reverse (10021120012201), we get a palindrome (20242122124202).

The spelling of 10221002112001 in words is "ten trillion, two hundred twenty-one billion, two million, one hundred twelve thousand, one".

Divisors: 1 17 19 323 361 4889 6137 83113 92891 340657 1579147 1764929 5791169 6472483 30003793 110032211 122977177 1665472073 2090612009 28313025241 31643969387 537947479579 601235418353 10221002112001