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2102221007 is a prime number
BaseRepresentation
bin111110101001101…
…0101100011001111
312102111200220002022
41331103111203033
513301132033012
6544333520355
7103044404135
oct17523254317
95374626068
102102221007
11989715837
124a80430bb
132766b7a73
1415d2a7755
15c4855472
hex7d4d58cf

2102221007 has 2 divisors, whose sum is σ = 2102221008. Its totient is φ = 2102221006.

The previous prime is 2102220973. The next prime is 2102221013. The reversal of 2102221007 is 7001222012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102221007 - 28 = 2102220751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102221607) 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, 1051110503 + 1051110504.

It is an arithmetic number, because the mean of its divisors is an integer number (1051110504).

Almost surely, 22102221007 is an apocalyptic number.

2102221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102221007 is an equidigital number, since it uses as much as digits as its factorization.

2102221007 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 17.

The square root of 2102221007 is about 45849.9837186449. The cubic root of 2102221007 is about 1281.0304623193.

Adding to 2102221007 its reverse (7001222012), we get a palindrome (9103443019).

The spelling of 2102221007 in words is "two billion, one hundred two million, two hundred twenty-one thousand, seven".