10112224221 has 24 divisors (see below), whose sum is σ = 16466804480. Its totient is φ = 6128618760.

The previous prime is 10112224219. The next prime is 10112224249. The reversal of 10112224221 is 12242221101.

10112224221 is a `hidden beast` number, since 10 + 11 + 222 + 422 + 1 = 666.

It is not a de Polignac number, because 10112224221 - 2¹ = 10112224219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10112224194 and 10112224203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112224201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1544365 + ... + 1550898.

Almost surely, 2^10112224221 is an apocalyptic number.

10112224221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10112224221 is a deficient number, since it is larger than the sum of its proper divisors (6354580259).

10112224221 is a wasteful number, since it uses less digits than its factorization.

10112224221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095294 (or 3095277 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10112224221 its reverse (12242221101), we get a palindrome (22354445322).

The spelling of 10112224221 in words is "ten billion, one hundred twelve million, two hundred twenty-four thousand, two hundred twenty-one".