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2521122011 is a prime number
BaseRepresentation
bin1001011001000101…
…0100010011011011
320111200221021020022
42112101110103123
520130401401021
61054100221055
7116322116642
oct22621242333
96450837208
102521122011
111084120311
125a439a78b
13312416495
1419cb8c359
15eb4ee1ab
hex964544db

2521122011 has 2 divisors, whose sum is σ = 2521122012. Its totient is φ = 2521122010.

The previous prime is 2521121987. The next prime is 2521122017. The reversal of 2521122011 is 1102211252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2521122011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2521122017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260561005 + 1260561006.

It is an arithmetic number, because the mean of its divisors is an integer number (1260561006).

Almost surely, 22521122011 is an apocalyptic number.

2521122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521122011 is an equidigital number, since it uses as much as digits as its factorization.

2521122011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2521122011 is about 50210.7758454298. The cubic root of 2521122011 is about 1361.0203579379.

Adding to 2521122011 its reverse (1102211252), we get a palindrome (3623333263).

The spelling of 2521122011 in words is "two billion, five hundred twenty-one million, one hundred twenty-two thousand, eleven".