2261203112 has 16 divisors (see below), whose sum is σ = 4845435360. Its totient is φ = 969087024.

The previous prime is 2261203103. The next prime is 2261203151. The reversal of 2261203112 is 2113021622.

It is a super-2 number, since 2×2261203112² = 10226079027436969088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20189258 + ... + 20189369.

It is an arithmetic number, because the mean of its divisors is an integer number (302839710).

Almost surely, 2^2261203112 is an apocalyptic number.

It is an amenable number.

2261203112 is an abundant number, since it is smaller than the sum of its proper divisors (2584232248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2261203112 is a wasteful number, since it uses less digits than its factorization.

2261203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40378640 (or 40378636 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2261203112 is about 47552.1094379629. The cubic root of 2261203112 is about 1312.5419462573.

Adding to 2261203112 its reverse (2113021622), we get a palindrome (4374224734).

The spelling of 2261203112 in words is "two billion, two hundred sixty-one million, two hundred three thousand, one hundred twelve".