1120202220221 has 16 divisors (see below), whose sum is σ = 1331934658560. Its totient is φ = 921883440240.

The previous prime is 1120202220169. The next prime is 1120202220251. The reversal of 1120202220221 is 1220222020211.

It is a happy number.

It is not a de Polignac number, because 1120202220221 - 2⁶ = 1120202220157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120202220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120202220251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20296151 + ... + 20351268.

It is an arithmetic number, because the mean of its divisors is an integer number (83245916160).

Almost surely, 2^{1120202220221} is an apocalyptic number.

It is an amenable number.

1120202220221 is a deficient number, since it is larger than the sum of its proper divisors (211732438339).

1120202220221 is a wasteful number, since it uses less digits than its factorization.

1120202220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40647584.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1120202220221 its reverse (1220222020211), we get a palindrome (2340424240432).

The spelling of 1120202220221 in words is "one trillion, one hundred twenty billion, two hundred two million, two hundred twenty thousand, two hundred twenty-one".