2112103489 has 2 divisors, whose sum is σ = 2112103490. Its totient is φ = 2112103488.

The previous prime is 2112103481. The next prime is 2112103529. The reversal of 2112103489 is 9843012112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086823089 + 1025280400 = 32967^2 + 32020^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112103489 - 2³ = 2112103481 is a prime.

It is a super-2 number, since 2×2112103489² = 8921962296491946242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112103489.

It is not a weakly prime, because it can be changed into another prime (2112103481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056051744 + 1056051745.

It is an arithmetic number, because the mean of its divisors is an integer number (1056051745).

Almost surely, 2^2112103489 is an apocalyptic number.

It is an amenable number.

2112103489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112103489 is an equidigital number, since it uses as much as digits as its factorization.

2112103489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2112103489 is about 45957.6271036702. The cubic root of 2112103489 is about 1283.0346877495.

The spelling of 2112103489 in words is "two billion, one hundred twelve million, one hundred three thousand, four hundred eighty-nine".