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2122211017 is a prime number
BaseRepresentation
bin111111001111110…
…0101111011001001
312110220022111020001
41332133211323021
513321241223032
6550330203001
7103406332063
oct17637457311
95426274201
102122211017
11999a29603
124b2883461
1327a896784
14161bcc733
15c64a33e7
hex7e7e5ec9

2122211017 has 2 divisors, whose sum is σ = 2122211018. Its totient is φ = 2122211016.

The previous prime is 2122211011. The next prime is 2122211029. The reversal of 2122211017 is 7101122212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2012778496 + 109432521 = 44864^2 + 10461^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122211017 - 23 = 2122211009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122210985 and 2122211003.

It is not a weakly prime, because it can be changed into another prime (2122211011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061105508 + 1061105509.

It is an arithmetic number, because the mean of its divisors is an integer number (1061105509).

Almost surely, 22122211017 is an apocalyptic number.

It is an amenable number.

2122211017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122211017 is an equidigital number, since it uses as much as digits as its factorization.

2122211017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2122211017 is about 46067.4615862433. The cubic root of 2122211017 is about 1285.0780972686.

Adding to 2122211017 its reverse (7101122212), we get a palindrome (9223333229).

The spelling of 2122211017 in words is "two billion, one hundred twenty-two million, two hundred eleven thousand, seventeen".