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10101012010121 = 191078216051797
BaseRepresentation
bin1001001011111101001100…
…1110111001010010001001
31022202122110220011000222102
42102333103032321102021
52310443333033310441
633252201343003145
72061526331304524
oct222772316712211
938678426130872
1010101012010121
1132448a6a4631a
1211717885994b5
135836a151b906
1426cc6a745bbb
15127b3ce3269b
hex92fd33b9489

10101012010121 has 16 divisors (see below), whose sum is σ = 10745088384960. Its totient is φ = 9468397949760.

The previous prime is 10101012010091. The next prime is 10101012010147. The reversal of 10101012010121 is 12101021010101.

It is a cyclic number.

It is not a de Polignac number, because 10101012010121 - 230 = 10099938268297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101012010171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356806 + ... + 4694991.

It is an arithmetic number, because the mean of its divisors is an integer number (671568024060).

Almost surely, 210101012010121 is an apocalyptic number.

It is an amenable number.

10101012010121 is a deficient number, since it is larger than the sum of its proper divisors (644076374839).

10101012010121 is a wasteful number, since it uses less digits than its factorization.

10101012010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052744.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10101012010121 its reverse (12101021010101), we get a palindrome (22202033020222).

The spelling of 10101012010121 in words is "ten trillion, one hundred one billion, twelve million, ten thousand, one hundred twenty-one".

Divisors: 1 19 107 821 2033 15599 87847 1669093 6051797 114984143 647542279 4968525337 12303303301 94401981403 531632211059 10101012010121