2101224044 has 6 divisors (see below), whose sum is σ = 3677142084. Its totient is φ = 1050612020.

The previous prime is 2101224019. The next prime is 2101224077. The reversal of 2101224044 is 4404221012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262653002 + ... + 262653009.

It is an arithmetic number, because the mean of its divisors is an integer number (612857014).

Almost surely, 2^2101224044 is an apocalyptic number.

It is an amenable number.

2101224044 is a deficient number, since it is larger than the sum of its proper divisors (1575918040).

2101224044 is a wasteful number, since it uses less digits than its factorization.

2101224044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525306015 (or 525306013 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2101224044 is about 45839.1104189425. The cubic root of 2101224044 is about 1280.8279238432.

Adding to 2101224044 its reverse (4404221012), we get a palindrome (6505445056).

The spelling of 2101224044 in words is "two billion, one hundred one million, two hundred twenty-four thousand, forty-four".