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2111211241 is a prime number
BaseRepresentation
bin111110111010110…
…1000011011101001
312110010121122100221
41331311220123221
513310432224431
6545254330041
7103213666546
oct17565503351
95403548327
102111211241
119937a6287
124ab059921
13278514b29
14160567bcd
15c552e111
hex7dd686e9

2111211241 has 2 divisors, whose sum is σ = 2111211242. Its totient is φ = 2111211240.

The previous prime is 2111211233. The next prime is 2111211301. The reversal of 2111211241 is 1421121112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1695051241 + 416160000 = 41171^2 + 20400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111211241 - 23 = 2111211233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111212241) 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, 1055605620 + 1055605621.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605621).

Almost surely, 22111211241 is an apocalyptic number.

It is an amenable number.

2111211241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111211241 is an equidigital number, since it uses as much as digits as its factorization.

2111211241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32, while the sum is 16.

The square root of 2111211241 is about 45947.9187885589. The cubic root of 2111211241 is about 1282.8539916834.

Adding to 2111211241 its reverse (1421121112), we get a palindrome (3532332353).

The spelling of 2111211241 in words is "two billion, one hundred eleven million, two hundred eleven thousand, two hundred forty-one".