2112141617 has 2 divisors, whose sum is σ = 2112141618. Its totient is φ = 2112141616.

The previous prime is 2112141613. The next prime is 2112141673. The reversal of 2112141617 is 7161412112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1946221456 + 165920161 = 44116^2 + 12881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112141617 - 2² = 2112141613 is a prime.

It is a super-2 number, since 2×2112141617² = 8922284420526749378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112141613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056070808 + 1056070809.

It is an arithmetic number, because the mean of its divisors is an integer number (1056070809).

Almost surely, 2^2112141617 is an apocalyptic number.

It is an amenable number.

2112141617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112141617 is an equidigital number, since it uses as much as digits as its factorization.

2112141617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 26.

The square root of 2112141617 is about 45958.0419186893. The cubic root of 2112141617 is about 1283.0424082128.

Adding to 2112141617 its reverse (7161412112), we get a palindrome (9273553729).

The spelling of 2112141617 in words is "two billion, one hundred twelve million, one hundred forty-one thousand, six hundred seventeen".