2101228924 has 12 divisors (see below), whose sum is σ = 3870685000. Its totient is φ = 995318928.

The previous prime is 2101228889. The next prime is 2101228931. The reversal of 2101228924 is 4298221012.

It is a congruent number.

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, 13823799 + ... + 13823950.

Almost surely, 2^2101228924 is an apocalyptic number.

It is an amenable number.

2101228924 is a deficient number, since it is larger than the sum of its proper divisors (1769456076).

2101228924 is a wasteful number, since it uses less digits than its factorization.

2101228924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27647772 (or 27647770 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2101228924 is about 45839.1636485658. The cubic root of 2101228924 is about 1280.8289153979.

Adding to 2101228924 its reverse (4298221012), we get a palindrome (6399449936).

The spelling of 2101228924 in words is "two billion, one hundred one million, two hundred twenty-eight thousand, nine hundred twenty-four".