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101111122061 is a prime number
BaseRepresentation
bin101111000101010110…
…0010100100010001101
3100122222121102012011122
41132022230110202031
53124033421401221
6114241054130325
710206425233265
oct1361254244215
9318877365148
10101111122061
11399766575a4
1217719ab09a5
1396c4a85911
144c728567a5
15296ba6aeab
hex178ab1488d

101111122061 has 2 divisors, whose sum is σ = 101111122062. Its totient is φ = 101111122060.

The previous prime is 101111121989. The next prime is 101111122103. The reversal of 101111122061 is 160221111101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71619929161 + 29491192900 = 267619^2 + 171730^2 .

It is a cyclic number.

It is not a de Polignac number, because 101111122061 - 226 = 101044013197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111122561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555561030 + 50555561031.

It is an arithmetic number, because the mean of its divisors is an integer number (50555561031).

Almost surely, 2101111122061 is an apocalyptic number.

It is an amenable number.

101111122061 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111122061 is an equidigital number, since it uses as much as digits as its factorization.

101111122061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 101111122061 its reverse (160221111101), we get a palindrome (261332233162).

The spelling of 101111122061 in words is "one hundred one billion, one hundred eleven million, one hundred twenty-two thousand, sixty-one".