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2102120012101 = 29312338286999
BaseRepresentation
bin11110100101110000000…
…111011101100101000101
321102221221100122222002111
4132211300013131211011
5233420120210341401
64245411155141021
7304605331166614
oct36456007354505
97387840588074
102102120012101
1174055aa433aa
1229b4a38a4771
131232c934a735
1473a592c987b
1539a333d3e51
hex1e9701dd945

2102120012101 has 8 divisors (see below), whose sum is σ = 2244755520000. Its totient is φ = 1964161078320.

The previous prime is 2102120012099. The next prime is 2102120012119. The reversal of 2102120012101 is 1012100212012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102120012101 - 21 = 2102120012099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102120012401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169142601 + ... + 1169144398.

It is an arithmetic number, because the mean of its divisors is an integer number (280594440000).

Almost surely, 22102120012101 is an apocalyptic number.

It is an amenable number.

2102120012101 is a deficient number, since it is larger than the sum of its proper divisors (142635507899).

2102120012101 is a wasteful number, since it uses less digits than its factorization.

2102120012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338287059.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2102120012101 its reverse (1012100212012), we get a palindrome (3114220224113).

The spelling of 2102120012101 in words is "two trillion, one hundred two billion, one hundred twenty million, twelve thousand, one hundred one".

Divisors: 1 29 31 899 2338286999 67810322971 72486896969 2102120012101