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121011001202222 = 21716721312258049
BaseRepresentation
bin11011100000111100010001…
…101111011001011000101110
3120212110112112201220102210122
4123200330101233121120232
5111330121012301432342
61105211404141204542
734326520263464105
oct3340742157313056
9525415481812718
10121011001202222
113561552847916a
12116a48ab560752
13526a399951111
1421c4d6c5bb03c
15decb91ae74d2
hex6e0f11bd962e

121011001202222 has 16 divisors (see below), whose sum is σ = 193344805029600. Its totient is φ = 56605357375488.

The previous prime is 121011001202219. The next prime is 121011001202227. The reversal of 121011001202222 is 222202100110121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 121011001202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011001202227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10656123347 + ... + 10656134702.

It is an arithmetic number, because the mean of its divisors is an integer number (12084050314350).

Almost surely, 2121011001202222 is an apocalyptic number.

121011001202222 is a deficient number, since it is larger than the sum of its proper divisors (72333803827378).

121011001202222 is a wasteful number, since it uses less digits than its factorization.

121011001202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312258235.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121011001202222 its reverse (222202100110121), we get a palindrome (343213101312343).

The spelling of 121011001202222 in words is "one hundred twenty-one trillion, eleven billion, one million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 17 34 167 334 2839 5678 21312258049 42624516098 362308386833 724616773666 3559147094183 7118294188366 60505500601111 121011001202222