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10102210091 is a prime number
BaseRepresentation
bin10010110100010001…
…10111111000101011
3222002001002110000022
421122020313320223
5131142131210331
64350233231055
7505225240361
oct113210677053
928061073008
1010102210091
114314485a66
121b5b26248b
13c4cc25c0c
146bb96b631
153e1d4c67b
hex25a237e2b

10102210091 has 2 divisors, whose sum is σ = 10102210092. Its totient is φ = 10102210090.

The previous prime is 10102210049. The next prime is 10102210147. The reversal of 10102210091 is 19001220101.

It is a weak prime.

It is an emirp because it is prime and its reverse (19001220101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10102210091 - 222 = 10098015787 is a prime.

It is not a weakly prime, because it can be changed into another prime (10102213091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051105045 + 5051105046.

It is an arithmetic number, because the mean of its divisors is an integer number (5051105046).

Almost surely, 210102210091 is an apocalyptic number.

10102210091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102210091 is an equidigital number, since it uses as much as digits as its factorization.

10102210091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 10102210091 its reverse (19001220101), we get a palindrome (29103430192).

The spelling of 10102210091 in words is "ten billion, one hundred two million, two hundred ten thousand, ninety-one".