1113211224221 has 8 divisors (see below), whose sum is σ = 1150050261504. Its totient is φ = 1076430249360.

The previous prime is 1113211224163. The next prime is 1113211224263. The reversal of 1113211224221 is 1224221123111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113211224221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113211224271) 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, 14476625 + ... + 14553318.

It is an arithmetic number, because the mean of its divisors is an integer number (143756282688).

Almost surely, 2^{1113211224221} is an apocalyptic number.

It is an amenable number.

1113211224221 is a deficient number, since it is larger than the sum of its proper divisors (36839037283).

1113211224221 is a wasteful number, since it uses less digits than its factorization.

1113211224221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29031211.

The product of its digits is 384, while the sum is 23.

Adding to 1113211224221 its reverse (1224221123111), we get a palindrome (2337432347332).

The spelling of 1113211224221 in words is "one trillion, one hundred thirteen billion, two hundred eleven million, two hundred twenty-four thousand, two hundred twenty-one".