2112146461 has 2 divisors, whose sum is σ = 2112146462. Its totient is φ = 2112146460.

The previous prime is 2112146431. The next prime is 2112146497. The reversal of 2112146461 is 1646412112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1872206361 + 239940100 = 43269^2 + 15490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112146461 - 2⁵ = 2112146429 is a prime.

It is a super-2 number, since 2×2112146461² = 8922325345429649042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112146431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056073230 + 1056073231.

It is an arithmetic number, because the mean of its divisors is an integer number (1056073231).

Almost surely, 2^2112146461 is an apocalyptic number.

It is an amenable number.

2112146461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112146461 is an equidigital number, since it uses as much as digits as its factorization.

2112146461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 2112146461 is about 45958.0946189026. The cubic root of 2112146461 is about 1283.0433890581.

Adding to 2112146461 its reverse (1646412112), we get a palindrome (3758558573).

The spelling of 2112146461 in words is "two billion, one hundred twelve million, one hundred forty-six thousand, four hundred sixty-one".