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21221411011330 = 2543459710735723
BaseRepresentation
bin1001101001100111111101…
…01010100011101100000010
32210010202011121202200112211
410310303332222203230002
510240142422204330310
6113044552011012334
74320124230225325
oct464637652435402
983122147680484
1021221411011330
116841a4a302912
122468a2773a0aa
13bac22a6abaca
1453519c2087bc
1526c03e609c8a
hex134cfeaa3b02

21221411011330 has 32 divisors (see below), whose sum is σ = 39095384289984. Its totient is φ = 8289351556416.

The previous prime is 21221411011321. The next prime is 21221411011393. The reversal of 21221411011330 is 3311011412212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3391152 + ... + 7344571.

It is an arithmetic number, because the mean of its divisors is an integer number (1221730759062).

Almost surely, 221221411011330 is an apocalyptic number.

21221411011330 is a deficient number, since it is larger than the sum of its proper divisors (17873973278654).

21221411011330 is a wasteful number, since it uses less digits than its factorization.

21221411011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10740370.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 21221411011330 its reverse (3311011412212), we get a palindrome (24532422423542).

The spelling of 21221411011330 in words is "twenty-one trillion, two hundred twenty-one billion, four hundred eleven million, eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 4597 9194 22985 45970 197671 395342 988355 1976710 10735723 21471446 53678615 107357230 461636089 923272178 2308180445 4616360890 49352118631 98704237262 246760593155 493521186310 2122141101133 4244282202266 10610705505665 21221411011330