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2002122211 is a prime number
BaseRepresentation
bin111011101010101…
…1111010111100011
312011112100100100111
41313111133113203
513100020402321
6530400232151
7100420520665
oct16725372743
95145310314
102002122211
11938167061
1247a60b657
1325ba3b2cb
1414dc8c535
15bab815e1
hex7755f5e3

2002122211 has 2 divisors, whose sum is σ = 2002122212. Its totient is φ = 2002122210.

The previous prime is 2002122203. The next prime is 2002122233. The reversal of 2002122211 is 1122212002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002122211 - 23 = 2002122203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002122191 and 2002122200.

It is not a weakly prime, because it can be changed into another prime (2002122611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001061105 + 1001061106.

It is an arithmetic number, because the mean of its divisors is an integer number (1001061106).

Almost surely, 22002122211 is an apocalyptic number.

2002122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002122211 is an equidigital number, since it uses as much as digits as its factorization.

2002122211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2002122211 is about 44745.0802994027. The cubic root of 2002122211 is about 1260.3665287505.

Adding to 2002122211 its reverse (1122212002), we get a palindrome (3124334213).

The spelling of 2002122211 in words is "two billion, two million, one hundred twenty-two thousand, two hundred eleven".