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102101010811 is a prime number
BaseRepresentation
bin101111100010110110…
…0011100100101111011
3100202112121001202020221
41133011230130211323
53133100324321221
6114523215000511
710243105162312
oct1370554344573
9322477052227
10102101010811
113a3343a4678
1217955509137
139821b926c7
144d280d1279
1529c8901541
hex17c5b1c97b

102101010811 has 2 divisors, whose sum is σ = 102101010812. Its totient is φ = 102101010810.

The previous prime is 102101010727. The next prime is 102101010827. The reversal of 102101010811 is 118010101201.

It is an a-pointer prime, because the next prime (102101010827) can be obtained adding 102101010811 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102101010811 - 227 = 101966793083 is a prime.

It is not a weakly prime, because it can be changed into another prime (102101010881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050505405 + 51050505406.

It is an arithmetic number, because the mean of its divisors is an integer number (51050505406).

Almost surely, 2102101010811 is an apocalyptic number.

102101010811 is a deficient number, since it is larger than the sum of its proper divisors (1).

102101010811 is an equidigital number, since it uses as much as digits as its factorization.

102101010811 is an evil number, because the sum of its binary digits is even.

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

The spelling of 102101010811 in words is "one hundred two billion, one hundred one million, ten thousand, eight hundred eleven".