1120424311221 has 16 divisors (see below), whose sum is σ = 1512275217600. Its totient is φ = 737765965440.

The previous prime is 1120424311211. The next prime is 1120424311277. The reversal of 1120424311221 is 1221134240211.

It is not a de Polignac number, because 1120424311221 - 2¹⁰ = 1120424310197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120424311191 and 1120424311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120424311211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441705 + ... + 1560753.

It is an arithmetic number, because the mean of its divisors is an integer number (94517201100).

Almost surely, 2^{1120424311221} is an apocalyptic number.

It is an amenable number.

1120424311221 is a deficient number, since it is larger than the sum of its proper divisors (391850906379).

1120424311221 is a wasteful number, since it uses less digits than its factorization.

1120424311221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123156.

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

Adding to 1120424311221 its reverse (1221134240211), we get a palindrome (2341558551432).

The spelling of 1120424311221 in words is "one trillion, one hundred twenty billion, four hundred twenty-four million, three hundred eleven thousand, two hundred twenty-one".