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21010200001122 = 2319956477311569
BaseRepresentation
bin1001100011011110100011…
…00000011111101001100010
32202101112222221222200020010
410301233101200133221202
510223212342200013442
6112403541434025350
74265636225243343
oct461572140375142
982345887880203
1021010200001122
116770415190822
122433b01578256
13b9533a8246a7
14528c8320a0ca
152667cbd14b9c
hex131bd181fa62

21010200001122 has 32 divisors (see below), whose sum is σ = 42232441104000. Its totient is φ = 6968061289728.

The previous prime is 21010200001117. The next prime is 21010200001201. The reversal of 21010200001122 is 22110000201012.

It is a junction number, because it is equal to n+sod(n) for n = 21010200001098 and 21010200001107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67277754 + ... + 67589322.

It is an arithmetic number, because the mean of its divisors is an integer number (1319763784500).

Almost surely, 221010200001122 is an apocalyptic number.

21010200001122 is an abundant number, since it is smaller than the sum of its proper divisors (21222241102878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21010200001122 is a wasteful number, since it uses less digits than its factorization.

21010200001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368250.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21010200001122 its reverse (22110000201012), we get a palindrome (43120200202134).

The spelling of 21010200001122 in words is "twenty-one trillion, ten billion, two hundred million, one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 199 398 597 1194 56477 112954 169431 311569 338862 623138 934707 1869414 11238923 22477846 33716769 62002231 67433538 124004462 186006693 372013386 17596482413 35192964826 52789447239 105578894478 3501700000187 7003400000374 10505100000561 21010200001122