2221321110124 has 12 divisors (see below), whose sum is σ = 3977714546344. Its totient is φ = 1084831239744.

The previous prime is 2221321110109. The next prime is 2221321110133. The reversal of 2221321110124 is 4210111231222.

It is a junction number, because it is equal to n+sod(n) for n = 2221321110095 and 2221321110104.

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, 6457328637 + ... + 6457328980.

Almost surely, 2^{2221321110124} is an apocalyptic number.

It is an amenable number.

2221321110124 is a deficient number, since it is larger than the sum of its proper divisors (1756393436220).

2221321110124 is a wasteful number, since it uses less digits than its factorization.

2221321110124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12914657664 (or 12914657662 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2221321110124 its reverse (4210111231222), we get a palindrome (6431432341346).

The spelling of 2221321110124 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-one million, one hundred ten thousand, one hundred twenty-four".