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121022110210122 = 232113071990953677
BaseRepresentation
bin11011100001000110100111…
…111000111001100001001010
3120212111121012221110111202200
4123201012213320321201022
5111330311240203210442
61105220442341541030
734330362465500202
oct3341064770714112
9525447187414680
10121022110210122
113561a2091a0230
12116a6a8ba14776
13526b44a324384
1421c5703b45402
15ded0e201a34c
hex6e11a7e3984a

121022110210122 has 48 divisors (see below), whose sum is σ = 286984026961632. Its totient is φ = 36553909491360.

The previous prime is 121022110210103. The next prime is 121022110210193. The reversal of 121022110210122 is 221012011220121.

121022110210122 is a `hidden beast` number, since 1 + 210 + 221 + 1 + 0 + 210 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121022110210095 and 121022110210104.

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 23 ways as a sum of consecutive naturals, for example, 995416053 + ... + 995537624.

It is an arithmetic number, because the mean of its divisors is an integer number (5978833895034).

Almost surely, 2121022110210122 is an apocalyptic number.

121022110210122 is an abundant number, since it is smaller than the sum of its proper divisors (165961916751510).

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

121022110210122 is a wasteful number, since it uses less digits than its factorization.

121022110210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990954003 (or 1990954000 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121022110210122 its reverse (221012011220121), we get a palindrome (342034121430243).

The spelling of 121022110210122 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred ten million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 307 614 921 1842 2763 3377 5526 6754 10131 20262 30393 60786 1990953677 3981907354 5972861031 11945722062 17918583093 21900490447 35837166186 43800980894 65701471341 131402942682 197104414023 394208828046 611222778839 1222445557678 1833668336517 3667336673034 5501005009551 6723450567229 11002010019102 13446901134458 20170351701687 40340703403374 60511055105061 121022110210122