2100221404 has 12 divisors (see below), whose sum is σ = 3675830200. Its totient is φ = 1049984208.

The previous prime is 2100221369. The next prime is 2100221413. The reversal of 2100221404 is 4041220012.

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, 12607 + ... + 66025.

Almost surely, 2^2100221404 is an apocalyptic number.

It is an amenable number.

2100221404 is a deficient number, since it is larger than the sum of its proper divisors (1575608796).

2100221404 is a wasteful number, since it uses less digits than its factorization.

2100221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63252 (or 63250 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2100221404 is about 45828.1726015777. The cubic root of 2100221404 is about 1280.6241674297.

Adding to 2100221404 its reverse (4041220012), we get a palindrome (6141441416).

The spelling of 2100221404 in words is "two billion, one hundred million, two hundred twenty-one thousand, four hundred four".