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118022101 is a prime number
BaseRepresentation
bin1110000100011…
…01111111010101
322020002010212221
413002031333111
5220203201401
615413342341
72632112521
oct702157725
9266063787
10118022101
116069082a
12336379b1
131b5b3882
1411962d81
15a5647a1
hex708dfd5

118022101 has 2 divisors, whose sum is σ = 118022102. Its totient is φ = 118022100.

The previous prime is 118022071. The next prime is 118022117. The reversal of 118022101 is 101220811.

It is an a-pointer prime, because the next prime (118022117) can be obtained adding 118022101 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87441201 + 30580900 = 9351^2 + 5530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-118022101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118022171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59011050 + 59011051.

It is an arithmetic number, because the mean of its divisors is an integer number (59011051).

Almost surely, 2118022101 is an apocalyptic number.

It is an amenable number.

118022101 is a deficient number, since it is larger than the sum of its proper divisors (1).

118022101 is an equidigital number, since it uses as much as digits as its factorization.

118022101 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 16.

The square root of 118022101 is about 10863.7977245529. The cubic root of 118022101 is about 490.5174334133.

Adding to 118022101 its reverse (101220811), we get a palindrome (219242912).

The spelling of 118022101 in words is "one hundred eighteen million, twenty-two thousand, one hundred one".