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2121310202222 = 23171569846919
BaseRepresentation
bin11110110111100111111…
…100001110100101101110
321111210110202101122000202
4132313213330032211232
5234223420402432342
64302303315353502
7306155021132021
oct36674774164556
97453422348022
102121310202222
11748708341262
122a315a5b2892
13125067019313
1474959c111b8
153a2a7edb332
hex1ede7f0e96e

2121310202222 has 32 divisors (see below), whose sum is σ = 3336729292800. Its totient is φ = 1010203790400.

The previous prime is 2121310202197. The next prime is 2121310202237. The reversal of 2121310202222 is 2222020131212.

It is a super-2 number, since 2×21213102022222 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121310202194 and 2121310202203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081279 + ... + 2928197.

It is an arithmetic number, because the mean of its divisors is an integer number (104272790400).

Almost surely, 22121310202222 is an apocalyptic number.

2121310202222 is a deficient number, since it is larger than the sum of its proper divisors (1215419090578).

2121310202222 is a wasteful number, since it uses less digits than its factorization.

2121310202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847592.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2121310202222 its reverse (2222020131212), we get a palindrome (4343330333434).

The spelling of 2121310202222 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 31 62 71 142 569 1138 2201 4402 17639 35278 40399 80798 846919 1252369 1693838 2504738 26254489 52508978 60131249 120262498 481896911 963793822 1864068719 3728137438 14938804241 29877608482 34214680681 68429361362 1060655101111 2121310202222