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121021122010222 = 27379122691859023
BaseRepresentation
bin11011100001000101101100…
…111111001101110001101110
3120212111111200001222202100101
4123201011230333031301232
5111330302224213311342
61105220200321221314
734330326136104010
oct3341055477156156
9525444601882311
10121021122010222
11356198513a6aa5
12116a6854a9183a
13526b3206891c5
1421c564c7ca1b0
15ded0853ba3b7
hex6e116cfcdc6e

121021122010222 has 32 divisors (see below), whose sum is σ = 208029247257600. Its totient is φ = 51725100940128.

The previous prime is 121021122010219. The next prime is 121021122010223. The reversal of 121021122010222 is 222010221120121.

It is a super-2 number, since 2×1210211220102222 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121021122010222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021122010223) 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, 64169803 + ... + 66028825.

It is an arithmetic number, because the mean of its divisors is an integer number (6500913976800).

Almost surely, 2121021122010222 is an apocalyptic number.

121021122010222 is a deficient number, since it is larger than the sum of its proper divisors (87008125247378).

121021122010222 is a wasteful number, since it uses less digits than its factorization.

121021122010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871680.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121021122010222 its reverse (222010221120121), we get a palindrome (343031343130343).

The spelling of 121021122010222 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred twenty-two million, ten thousand, two hundred twenty-two".

Divisors: 1 2 7 14 379 758 2653 5306 12269 24538 85883 171766 1859023 3718046 4649951 9299902 13013161 26026322 32549657 65099314 704569717 1409139434 4931988019 9863976038 22808353187 45616706374 159658472309 319316944618 8644365857873 17288731715746 60510561005111 121021122010222