2111017161 has 16 divisors (see below), whose sum is σ = 3071397888. Its totient is φ = 1279059600.

The previous prime is 2111017159. The next prime is 2111017163. The reversal of 2111017161 is 1617101112.

It is an interprime number because it is at equal distance from previous prime (2111017159) and next prime (2111017163).

It is not a de Polignac number, because 2111017161 - 2¹ = 2111017159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111017163) 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 15 ways as a sum of consecutive naturals, for example, 172516 + ... + 184346.

It is an arithmetic number, because the mean of its divisors is an integer number (191962368).

Almost surely, 2^2111017161 is an apocalyptic number.

It is an amenable number.

2111017161 is a deficient number, since it is larger than the sum of its proper divisors (960380727).

2111017161 is a wasteful number, since it uses less digits than its factorization.

2111017161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17252.

The product of its (nonzero) digits is 84, while the sum is 21.

The square root of 2111017161 is about 45945.8067836446. The cubic root of 2111017161 is about 1282.8146802955.

Adding to 2111017161 its reverse (1617101112), we get a palindrome (3728118273).

The spelling of 2111017161 in words is "two billion, one hundred eleven million, seventeen thousand, one hundred sixty-one".