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1020020210011 = 1132467310643
BaseRepresentation
bin11101101011111011111…
…00010011100101011011
310121111211221222110122201
432311331330103211123
5113203000133210021
62100331341031031
7133460023505155
oct16657574234533
93544757873581
101020020210011
113636518a9000
1214582a855477
1375258bcb35a
14375252adad5
151b7ee175591
hexed7df1395b

1020020210011 has 16 divisors (see below), whose sum is σ = 1122403989888. Its totient is φ = 926912238120.

The previous prime is 1020020209979. The next prime is 1020020210021. The reversal of 1020020210011 is 1100120200201.

It is not a de Polignac number, because 1020020210011 - 25 = 1020020209979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020020210011.

It is not an unprimeable number, because it can be changed into a prime (1020020210021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3128256 + ... + 3438898.

It is an arithmetic number, because the mean of its divisors is an integer number (70150249368).

Almost surely, 21020020210011 is an apocalyptic number.

1020020210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020020210011 is a deficient number, since it is larger than the sum of its proper divisors (102383779877).

1020020210011 is an equidigital number, since it uses as much as digits as its factorization.

1020020210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313143 (or 313121 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020020210011 its reverse (1100120200201), we get a palindrome (2120140410212).

The spelling of 1020020210011 in words is "one trillion, twenty billion, twenty million, two hundred ten thousand, eleven".

Divisors: 1 11 121 1331 2467 27137 298507 310643 3283577 3417073 37587803 413465833 766356281 8429919091 92729110001 1020020210011