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2011010102281 is a prime number
BaseRepresentation
bin11101010000111001100…
…010101111010000001001
321010020202202021222221001
4131100321202233100021
5230422022041233111
64135502325415001
7265201463554435
oct35207142572011
97106682258831
102011010102281
11705956859674
122858b726a461
131178395b7cab
146d494c2d9c5
153749e8b51c1
hex1d4398af409

2011010102281 has 2 divisors, whose sum is σ = 2011010102282. Its totient is φ = 2011010102280.

The previous prime is 2011010102209. The next prime is 2011010102287. The reversal of 2011010102281 is 1822010101102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1258524985600 + 752485116681 = 1121840^2 + 867459^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011010102281 - 227 = 2010875884553 is a prime.

It is a super-2 number, since 2×20110101022812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2011010102287) 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, 1005505051140 + 1005505051141.

It is an arithmetic number, because the mean of its divisors is an integer number (1005505051141).

Almost surely, 22011010102281 is an apocalyptic number.

It is an amenable number.

2011010102281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011010102281 is an equidigital number, since it uses as much as digits as its factorization.

2011010102281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 2011010102281 its reverse (1822010101102), we get a palindrome (3833020203383).

The spelling of 2011010102281 in words is "two trillion, eleven billion, ten million, one hundred two thousand, two hundred eighty-one".