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10022212010221 is a prime number
BaseRepresentation
bin1001000111010111101001…
…1000110000000011101101
31022111010002012001021122121
42101311322120300003231
52303200442233311341
633152050213312541
72053036520331505
oct221657230600355
938433065037577
1010022212010221
11321443a446064
12115a456635751
13579123bab338
142691130daa05
15125a79e9e4d1
hex91d7a6300ed

10022212010221 has 2 divisors, whose sum is σ = 10022212010222. Its totient is φ = 10022212010220.

The previous prime is 10022212010219. The next prime is 10022212010231. The reversal of 10022212010221 is 12201021222001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8109315554596 + 1912896455625 = 2847686^2 + 1383075^2 .

It is an emirp because it is prime and its reverse (12201021222001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10022212010221 - 21 = 10022212010219 is a prime.

Together with 10022212010219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10022212010195 and 10022212010204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10022212010231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011106005110 + 5011106005111.

It is an arithmetic number, because the mean of its divisors is an integer number (5011106005111).

Almost surely, 210022212010221 is an apocalyptic number.

It is an amenable number.

10022212010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10022212010221 is an equidigital number, since it uses as much as digits as its factorization.

10022212010221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10022212010221 its reverse (12201021222001), we get a palindrome (22223233232222).

The spelling of 10022212010221 in words is "ten trillion, twenty-two billion, two hundred twelve million, ten thousand, two hundred twenty-one".