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20102001012011 is a prime number
BaseRepresentation
bin1001001001000010111001…
…01000010010110100101011
32122011201210000100210100102
410210201130220102310223
510113322344224341021
6110430422021500015
74143215216225432
oct444413450226453
978151700323312
1020102001012011
116450235571076
122307a9b57160b
13b2a7c2533349
144d6d28d5c119
1524cd74ad300b
hex12485ca12d2b

20102001012011 has 2 divisors, whose sum is σ = 20102001012012. Its totient is φ = 20102001012010.

The previous prime is 20102001012001. The next prime is 20102001012031. The reversal of 20102001012011 is 11021010020102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20102001012011 - 26 = 20102001011947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102001011983 and 20102001012001.

It is not a weakly prime, because it can be changed into another prime (20102001012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051000506005 + 10051000506006.

It is an arithmetic number, because the mean of its divisors is an integer number (10051000506006).

Almost surely, 220102001012011 is an apocalyptic number.

20102001012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102001012011 is an equidigital number, since it uses as much as digits as its factorization.

20102001012011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20102001012011 its reverse (11021010020102), we get a palindrome (31123011032113).

The spelling of 20102001012011 in words is "twenty trillion, one hundred two billion, one million, twelve thousand, eleven".