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2121211010002 = 271794219112207
BaseRepresentation
bin11110110111100010000…
…001110101101111010010
321111210012211202010212211
4132313202001311233102
5234223220004310002
64302245413342334
7306152405042620
oct36674201655722
97453184663784
102121211010002
11748667351717
122a31313379aa
1312504c5c93b6
147494a990510
153a29e445dd7
hex1ede2075bd2

2121211010002 has 64 divisors (see below), whose sum is σ = 3671048355840. Its totient is φ = 900466257600.

The previous prime is 2121211009999. The next prime is 2121211010011. The reversal of 2121211010002 is 2000101121212.

It is a super-3 number, since 3×21212110100023 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 31 ways as a sum of consecutive naturals, for example, 961127583 + ... + 961129789.

It is an arithmetic number, because the mean of its divisors is an integer number (57360130560).

Almost surely, 22121211010002 is an apocalyptic number.

2121211010002 is a deficient number, since it is larger than the sum of its proper divisors (1549837345838).

2121211010002 is a wasteful number, since it uses less digits than its factorization.

2121211010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727.

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

Adding to 2121211010002 its reverse (2000101121212), we get a palindrome (4121312131214).

The spelling of 2121211010002 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, ten thousand, two".

Divisors: 1 2 7 14 179 358 421 842 911 1253 1822 2207 2506 2947 4414 5894 6377 12754 15449 30898 75359 150718 163069 326138 383531 395053 527513 767062 790106 929147 1055026 1141483 1858294 2010577 2282966 2684717 2765371 4021154 5369434 5530742 6504029 13008058 14074039 28148078 68652049 137304098 166317313 332634626 359893283 480564343 719786566 846452917 961128686 1164221191 1692905834 2328442382 2519252981 5038505962 5925170419 11850340838 151515072143 303030144286 1060605505001 2121211010002