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122101112102210 = 2589137192260789
BaseRepresentation
bin11011110000110011100001…
…011010011101110101000010
3121000022202022102212212120222
4123300303201122131311002
5112001001034144232320
61111404250533103042
734501341245320223
oct3360634132356502
9530282272785528
10122101112102210
11359a5877680a2a
121184001b487a82
1353191159cab07
142221a2254d24a
15e1b1e42e4825
hex6f0ce169dd42

122101112102210 has 16 divisors (see below), whose sum is σ = 222251462479800. Its totient is φ = 48291675797376.

The previous prime is 122101112102093. The next prime is 122101112102273. The reversal of 122101112102210 is 12201211101221.

It can be written as a sum of positive squares in 4 ways, for example, as 99607406083201 + 22493706019009 = 9980351^2 + 4742753^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68596129505 + ... + 68596131284.

Almost surely, 2122101112102210 is an apocalyptic number.

122101112102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122101112102210 is a deficient number, since it is larger than the sum of its proper divisors (100150350377590).

122101112102210 is a wasteful number, since it uses less digits than its factorization.

122101112102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137192260885.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122101112102210 its reverse (12201211101221), we get a palindrome (134302323203431).

The spelling of 122101112102210 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred twelve million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 89 178 445 890 137192260789 274384521578 685961303945 1371922607890 12210111210221 24420222420442 61050556051105 122101112102210