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101220143221230 = 235112971103240561
BaseRepresentation
bin10111000000111100100110…
…101011100100100111101110
3111021101112212211001022002220
4113000330212223210213232
5101231342323131034410
6555135520350300210
730214625336326635
oct2700744653444756
9437345784038086
10101220143221230
112a285249054540
12b4291851b7666
1344630319a2b67
141add11c66451c
15ba7e7cab7070
hex5c0f26ae49ee

101220143221230 has 64 divisors (see below), whose sum is σ = 265101941028096. Its totient is φ = 24529957056000.

The previous prime is 101220143221201. The next prime is 101220143221357. The reversal of 101220143221230 is 32122341022101.

It is a super-3 number, since 3×1012201432212303 (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101220143221230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50639851 + ... + 52600710.

It is an arithmetic number, because the mean of its divisors is an integer number (4142217828564).

Almost surely, 2101220143221230 is an apocalyptic number.

101220143221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220143221230 is an abundant number, since it is smaller than the sum of its proper divisors (163881797806866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101220143221230 is a wasteful number, since it uses less digits than its factorization.

101220143221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103243553.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 101220143221230 its reverse (32122341022101), we get a palindrome (133342484243331).

The spelling of 101220143221230 in words is "one hundred one trillion, two hundred twenty billion, one hundred forty-three million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 2971 5942 8913 14855 17826 29710 32681 44565 65362 89130 98043 163405 196086 326810 490215 980430 103240561 206481122 309721683 516202805 619443366 1032405610 1135646171 1548608415 2271292342 3097216830 3406938513 5678230855 6813877026 11356461710 17034692565 34069385130 306727706731 613455413462 920183120193 1533638533655 1840366240386 3067277067310 3374004774041 4600915600965 6748009548082 9201831201930 10122014322123 16870023870205 20244028644246 33740047740410 50610071610615 101220143221230