2112260642 has 16 divisors (see below), whose sum is σ = 3385550520. Its totient is φ = 984883968.

The previous prime is 2112260611. The next prime is 2112260653. The reversal of 2112260642 is 2460622112.

It can be written as a sum of positive squares in 4 ways, for example, as 2005158841 + 107101801 = 44779^2 + 10349^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281273 + ... + 288684.

Almost surely, 2^2112260642 is an apocalyptic number.

2112260642 is a deficient number, since it is larger than the sum of its proper divisors (1273289878).

2112260642 is a wasteful number, since it uses less digits than its factorization.

2112260642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570085.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2112260642 is about 45959.3368315949. The cubic root of 2112260642 is about 1283.0665087518.

Adding to 2112260642 its reverse (2460622112), we get a palindrome (4572882754).

The spelling of 2112260642 in words is "two billion, one hundred twelve million, two hundred sixty thousand, six hundred forty-two".