100010111161 has 2 divisors, whose sum is σ = 100010111162. Its totient is φ = 100010111160.

The previous prime is 100010111143. The next prime is 100010111207. The reversal of 100010111161 is 161111010001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96674355625 + 3335755536 = 310925^2 + 57756^2 .

It is a cyclic number.

It is not a de Polignac number, because 100010111161 - 2⁹ = 100010110649 is a prime.

It is not a weakly prime, because it can be changed into another prime (100010111101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005055580 + 50005055581.

It is an arithmetic number, because the mean of its divisors is an integer number (50005055581).

Almost surely, 2^100010111161 is an apocalyptic number.

It is an amenable number.

100010111161 is a deficient number, since it is larger than the sum of its proper divisors (1).

100010111161 is an equidigital number, since it uses as much as digits as its factorization.

100010111161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 100010111161 its reverse (161111010001), we get a palindrome (261121121162).

The spelling of 100010111161 in words is "one hundred billion, ten million, one hundred eleven thousand, one hundred sixty-one".