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10101200010091 is a prime number
BaseRepresentation
bin1001001011111101111001…
…1100000011101101101011
31022202122221222220102110021
42102333132130003231223
52310444224200310331
633252232140301311
72061534103262431
oct222773634035553
938678858812407
1010101200010091
1132449930824a3
12117181b541837
13583701463bb8
1426cc876c2d51
15127b4e6bb211
hex92fde703b6b

10101200010091 has 2 divisors, whose sum is σ = 10101200010092. Its totient is φ = 10101200010090.

The previous prime is 10101200010053. The next prime is 10101200010101. The reversal of 10101200010091 is 19001000210101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101200010091 - 229 = 10100663139179 is a prime.

It is not a weakly prime, because it can be changed into another prime (10101200010001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050600005045 + 5050600005046.

It is an arithmetic number, because the mean of its divisors is an integer number (5050600005046).

Almost surely, 210101200010091 is an apocalyptic number.

10101200010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101200010091 is an equidigital number, since it uses as much as digits as its factorization.

10101200010091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 10101200010091 its reverse (19001000210101), we get a palindrome (29102200220192).

The spelling of 10101200010091 in words is "ten trillion, one hundred one billion, two hundred million, ten thousand, ninety-one".