4221121211224 has 32 divisors (see below), whose sum is σ = 8005231350000. Its totient is φ = 2086402931712.

The previous prime is 4221121211159. The next prime is 4221121211227.

4221121211224 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221121211227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2735152 + ... + 3990400.

Almost surely, 2^{4221121211224} is an apocalyptic number.

It is an amenable number.

4221121211224 is a deficient number, since it is larger than the sum of its proper divisors (3784110138776).

4221121211224 is a wasteful number, since it uses less digits than its factorization.

4221121211224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260067 (or 1260063 counting only the distinct ones).

The product of its digits is 1024, while the sum is 25.

The spelling of 4221121211224 in words is "four trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred eleven thousand, two hundred twenty-four".