101042045161 has 4 divisors (see below), whose sum is σ = 101132021392. Its totient is φ = 100952068932.

The previous prime is 101042045089. The next prime is 101042045171. The reversal of 101042045161 is 161540240101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101042045161 - 2¹³ = 101042036969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101042045171) 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 in 3 ways as a sum of consecutive naturals, for example, 44986431 + ... + 44988676.

It is an arithmetic number, because the mean of its divisors is an integer number (25283005348).

Almost surely, 2^101042045161 is an apocalyptic number.

It is an amenable number.

101042045161 is a deficient number, since it is larger than the sum of its proper divisors (89976231).

101042045161 is an equidigital number, since it uses as much as digits as its factorization.

101042045161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89976230.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 101042045161 its reverse (161540240101), we get a palindrome (262582285262).

The spelling of 101042045161 in words is "one hundred one billion, forty-two million, forty-five thousand, one hundred sixty-one".