1113221421204 has 144 divisors (see below), whose sum is σ = 2906427256320. Its totient is φ = 330648030720.

The previous prime is 1113221421197. The next prime is 1113221421233. The reversal of 1113221421204 is 4021241223111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120643639 + ... + 120652865.

Almost surely, 2^{1113221421204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113221421204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453213628160).

1113221421204 is an abundant number, since it is smaller than the sum of its proper divisors (1793205835116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113221421204 is a wasteful number, since it uses less digits than its factorization.

1113221421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118 (or 11099 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1113221421204 its reverse (4021241223111), we get a palindrome (5134462644315).

The spelling of 1113221421204 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, four hundred twenty-one thousand, two hundred four".