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10221011001001 = 973071042932911
BaseRepresentation
bin1001010010111100001110…
…1110101101111010101001
31100012010012211102101020001
42110233003232231322221
52314430112304013001
633423245001503001
72103305116015063
oct224570356557251
940163184371201
1010221011001001
113290785281259
121190a97aa1a61
13591ab6441868
142749b18a8733
1512ad12c89001
hex94bc3badea9

10221011001001 has 16 divisors (see below), whose sum is σ = 10361326877440. Its totient is φ = 10081416660480.

The previous prime is 10221011000983. The next prime is 10221011001011. The reversal of 10221011001001 is 10010011012201.

It is a cyclic number.

It is not a de Polignac number, because 10221011001001 - 229 = 10220474130089 is a prime.

It is a super-3 number, since 3×102210110010013 (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 (10221011001011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310548736 + ... + 310581646.

It is an arithmetic number, because the mean of its divisors is an integer number (647582929840).

Almost surely, 210221011001001 is an apocalyptic number.

It is an amenable number.

10221011001001 is a deficient number, since it is larger than the sum of its proper divisors (140315876439).

10221011001001 is a wasteful number, since it uses less digits than its factorization.

10221011001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43744.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10221011001001 its reverse (10010011012201), we get a palindrome (20231022013202).

The spelling of 10221011001001 in words is "ten trillion, two hundred twenty-one billion, eleven million, one thousand, one".

Divisors: 1 97 307 10429 29779 32911 1011613 3192367 3201703 10103677 310565191 343228819 980056669 33293195443 105371247433 10221011001001