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102100101210122 = 2181282044478481
BaseRepresentation
bin10111001101110000001000…
…010000111010000000001010
3111101111200012121020201200112
4113031300020100322000022
5101340302001402210442
61001052050004034322
730335326454661131
oct2715601020720012
9441450177221615
10102100101210122
112a594456430794
12b54b8253929a2
1344c7cc91652a2
141b2d957d4a918
15bc0cd082a082
hex5cdc0843a00a

102100101210122 has 8 divisors (see below), whose sum is σ = 153996285251172. Its totient is φ = 50768006126400.

The previous prime is 102100101210119. The next prime is 102100101210131. The reversal of 102100101210122 is 221012101001201.

It can be written as a sum of positive squares in 2 ways, for example, as 82284329087041 + 19815772123081 = 9071071^2 + 4451491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102100101210097 and 102100101210106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141022238879 + ... + 141022239602.

Almost surely, 2102100101210122 is an apocalyptic number.

102100101210122 is a deficient number, since it is larger than the sum of its proper divisors (51896184041050).

102100101210122 is a wasteful number, since it uses less digits than its factorization.

102100101210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282044478664.

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

Adding to 102100101210122 its reverse (221012101001201), we get a palindrome (323112202211323).

The spelling of 102100101210122 in words is "one hundred two trillion, one hundred billion, one hundred one million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 181 362 282044478481 564088956962 51050050605061 102100101210122