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22120320071 is a prime number
BaseRepresentation
bin10100100110011110…
…010100110001000111
32010002121021200120202
4110212132110301013
5330300300220241
614054551121115
71412106422033
oct244636246107
963077250522
1022120320071
119421386963
12435407319b
132116a5b7b5
1410dbb411c3
15896e98d9b
hex526794c47

22120320071 has 2 divisors, whose sum is σ = 22120320072. Its totient is φ = 22120320070.

The previous prime is 22120320023. The next prime is 22120320091. The reversal of 22120320071 is 17002302122.

It is an a-pointer prime, because the next prime (22120320091) can be obtained adding 22120320071 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22120320071 - 222 = 22116125767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120320091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060160035 + 11060160036.

It is an arithmetic number, because the mean of its divisors is an integer number (11060160036).

Almost surely, 222120320071 is an apocalyptic number.

22120320071 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120320071 is an equidigital number, since it uses as much as digits as its factorization.

22120320071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 22120320071 its reverse (17002302122), we get a palindrome (39122622193).

The spelling of 22120320071 in words is "twenty-two billion, one hundred twenty million, three hundred twenty thousand, seventy-one".