101101081 has 2 divisors, whose sum is σ = 101101082. Its totient is φ = 101101080.

The previous prime is 101101079. The next prime is 101101087. The reversal of 101101081 is 180101101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51609856 + 49491225 = 7184^2 + 7035^2 .

It is a cyclic number.

It is not a de Polignac number, because 101101081 - 2¹ = 101101079 is a prime.

It is a super-2 number, since 2×101101081² = 20442857158737122, which contains 22 as substring.

Together with 101101079, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101101087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550540 + 50550541.

It is an arithmetic number, because the mean of its divisors is an integer number (50550541).

Almost surely, 2^101101081 is an apocalyptic number.

It is an amenable number.

101101081 is a deficient number, since it is larger than the sum of its proper divisors (1).

101101081 is an equidigital number, since it uses as much as digits as its factorization.

101101081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

The square root of 101101081 is about 10054.9033312111. The cubic root of 101101081 is about 465.8562571262.

Adding to 101101081 its reverse (180101101), we get a palindrome (281202182).

The spelling of 101101081 in words is "one hundred one million, one hundred one thousand, eighty-one".