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220101211001210 = 257112571112240189
BaseRepresentation
bin110010000010111001001110…
…011111110001000101111010
31001212022110200211110010211112
4302002321032133301011322
5212322114240004014320
62100041033410400322
764234534122552620
oct6202711637610572
91055273624403745
10220101211001210
1164149443646630
122082910a2900a2
1395a75bbc28cc6
143c4cd53a97510
151a6a50e61eec5
hexc82e4e7f117a

220101211001210 has 64 divisors (see below), whose sum is σ = 495863370466560. Its totient is φ = 68336037150720.

The previous prime is 220101211001171. The next prime is 220101211001303. The reversal of 220101211001210 is 12100112101022.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 555922205 + ... + 556317984.

It is an arithmetic number, because the mean of its divisors is an integer number (7747865163540).

Almost surely, 2220101211001210 is an apocalyptic number.

220101211001210 is an abundant number, since it is smaller than the sum of its proper divisors (275762159465350).

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

220101211001210 is a wasteful number, since it uses less digits than its factorization.

220101211001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112240471.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220101211001210 its reverse (12100112101022), we get a palindrome (232201323102232).

The spelling of 220101211001210 in words is "two hundred twenty trillion, one hundred one billion, two hundred eleven million, one thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 257 385 514 770 1285 1799 2570 2827 3598 5654 8995 14135 17990 19789 28270 39578 98945 197890 1112240189 2224480378 5561200945 7785681323 11122401890 12234642079 15571362646 24469284158 38928406615 61173210395 77856813230 85642494553 122346420790 171284989106 285845728573 428212472765 571691457146 856424945530 1429228642865 2000920100011 2858457285730 3144303014303 4001840200022 6288606028606 10004600500055 15721515071515 20009201000110 22010121100121 31443030143030 44020242200242 110050605500605 220101211001210