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21112010010201 = 3115990353120011
BaseRepresentation
bin1001100110011100001011…
…10110110110111001011001
32202202021210021111000011010
410303032011312312321121
510231344344030311301
6112522420135524133
74306202201114265
oct463160566667131
982667707430133
1021112010010201
1167aa60a2974a0
12244b795529649
13ba1b14319c06
1452db807cb0a5
15269289dd35d6
hex133385db6e59

21112010010201 has 32 divisors (see below), whose sum is σ = 31229465034240. Its totient is φ = 12578046483200.

The previous prime is 21112010010199. The next prime is 21112010010233. The reversal of 21112010010201 is 10201001021112.

It is not a de Polignac number, because 21112010010201 - 21 = 21112010010199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21112010010281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175857286 + ... + 175977296.

It is an arithmetic number, because the mean of its divisors is an integer number (975920782320).

Almost surely, 221112010010201 is an apocalyptic number.

It is an amenable number.

21112010010201 is a deficient number, since it is larger than the sum of its proper divisors (10117455024039).

21112010010201 is a wasteful number, since it uses less digits than its factorization.

21112010010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210437.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21112010010201 its reverse (10201001021112), we get a palindrome (31313011031313).

The spelling of 21112010010201 in words is "twenty-one trillion, one hundred twelve billion, ten million, ten thousand, two hundred one".

Divisors: 1 3 11 33 59 177 649 1947 90353 120011 271059 360033 993883 1320121 2981649 3960363 5330827 7080649 15992481 21241947 58639097 77887139 175917291 233661417 10843353883 32530061649 119276892713 357830678139 639757879097 1919273637291 7037336670067 21112010010201