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10021222201 is a prime number
BaseRepresentation
bin10010101010100111…
…11011011100111001
3221212101200211111211
421111103323130321
5131010413102301
64334221323121
7503222661154
oct112523733471
927771624454
1010021222201
11428279a621
121b381064a1
13c3920aca3
146b0cc8c9b
153d9ba1051
hex2554fb739

10021222201 has 2 divisors, whose sum is σ = 10021222202. Its totient is φ = 10021222200.

The previous prime is 10021222187. The next prime is 10021222207. The reversal of 10021222201 is 10222212001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10020010000 + 1212201 = 100100^2 + 1101^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021222201 - 215 = 10021189433 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021222207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010611100 + 5010611101.

It is an arithmetic number, because the mean of its divisors is an integer number (5010611101).

Almost surely, 210021222201 is an apocalyptic number.

It is an amenable number.

10021222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021222201 is an equidigital number, since it uses as much as digits as its factorization.

10021222201 is an evil number, because the sum of its binary digits is even.

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

Adding to 10021222201 its reverse (10222212001), we get a palindrome (20243434202).

The spelling of 10021222201 in words is "ten billion, twenty-one million, two hundred twenty-two thousand, two hundred one".