101151161 has 2 divisors, whose sum is σ = 101151162. Its totient is φ = 101151160.

The previous prime is 101151157. The next prime is 101151163. The reversal of 101151161 is 161151101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96924025 + 4227136 = 9845^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 101151161 - 2² = 101151157 is a prime.

Together with 101151163, 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 (101151163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50575580 + 50575581.

It is an arithmetic number, because the mean of its divisors is an integer number (50575581).

Almost surely, 2^101151161 is an apocalyptic number.

It is an amenable number.

101151161 is a deficient number, since it is larger than the sum of its proper divisors (1).

101151161 is an equidigital number, since it uses as much as digits as its factorization.

101151161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 17.

The square root of 101151161 is about 10057.3933501678. The cubic root of 101151161 is about 465.9331644155.

The spelling of 101151161 in words is "one hundred one million, one hundred fifty-one thousand, one hundred sixty-one".