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200000201221121 = 71971131547295571
BaseRepresentation
bin101101011110011000101100…
…111100101110010000000001
3222020010211110220021011001112
4231132120230330232100001
5202203300403003033441
61545210453554213105
760061352300546150
oct5536305474562001
9866124426234045
10200000201221121
11587a967765a7a4
121a521466884195
138779c26b82c32
1437560c0643597
15181c6e6a8a4eb
hexb5e62cf2e401

200000201221121 has 64 divisors (see below), whose sum is σ = 246303316131840. Its totient is φ = 158605463016000.

The previous prime is 200000201221109. The next prime is 200000201221127. The reversal of 200000201221121 is 121122102000002.

It is not a de Polignac number, because 200000201221121 - 26 = 200000201221057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200000201221096 and 200000201221105.

It is not an unprimeable number, because it can be changed into a prime (200000201221127) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 676509266 + ... + 676804836.

It is an arithmetic number, because the mean of its divisors is an integer number (3848489314560).

Almost surely, 2200000201221121 is an apocalyptic number.

It is an amenable number.

200000201221121 is a deficient number, since it is larger than the sum of its proper divisors (46303114910719).

200000201221121 is a wasteful number, since it uses less digits than its factorization.

200000201221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296346.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200000201221121 its reverse (121122102000002), we get a palindrome (321122303221123).

The spelling of 200000201221121 in words is "two hundred trillion, two hundred one million, two hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 7 19 71 131 133 497 547 917 1349 2489 3829 9301 9443 10393 17423 38837 65107 71657 72751 176719 271859 295571 501599 737903 1237033 1361483 2068997 5087647 5165321 5615849 9530381 20985541 35613529 38719801 39310943 96665293 146898787 161677337 271038607 398725279 676657051 735676219 1131741359 2749105871 2791076953 3071869403 5149733533 11479090927 19243741097 21179731147 21503085821 52233011549 80353636489 148258118029 218102727613 365631080843 402414891793 1503760911437 1526719093291 2816904242551 10526326380059 28571457317303 200000201221121