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2011112020243 is a prime number
BaseRepresentation
bin11101010000111111100…
…111100001100100010011
321010021000212001222002101
4131100333213201210103
5230422224134121433
64135520410101231
7265204142055364
oct35207747414423
97107025058071
102011112020243
117059a9340097
1228592541a817
13117854750791
146d4a459db6b
15374a87e807d
hex1d43f9e1913

2011112020243 has 2 divisors, whose sum is σ = 2011112020244. Its totient is φ = 2011112020242.

The previous prime is 2011112020129. The next prime is 2011112020261. The reversal of 2011112020243 is 3420202111102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2011112020243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011112020243.

It is not a weakly prime, because it can be changed into another prime (2011112020283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005556010121 + 1005556010122.

It is an arithmetic number, because the mean of its divisors is an integer number (1005556010122).

Almost surely, 22011112020243 is an apocalyptic number.

2011112020243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011112020243 is an equidigital number, since it uses as much as digits as its factorization.

2011112020243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2011112020243 its reverse (3420202111102), we get a palindrome (5431314131345).

The spelling of 2011112020243 in words is "two trillion, eleven billion, one hundred twelve million, twenty thousand, two hundred forty-three".