1120203200221 has 16 divisors (see below), whose sum is σ = 1329631764480. Its totient is φ = 923817037680.

The previous prime is 1120203200203. The next prime is 1120203200227. The reversal of 1120203200221 is 1220023020211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1120203200221 - 2¹³ = 1120203192029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120203200195 and 1120203200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120203200227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28835445 + ... + 28874266.

It is an arithmetic number, because the mean of its divisors is an integer number (83101985280).

Almost surely, 2^{1120203200221} is an apocalyptic number.

It is an amenable number.

1120203200221 is a deficient number, since it is larger than the sum of its proper divisors (209428564259).

1120203200221 is an equidigital number, since it uses as much as digits as its factorization.

1120203200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57709824.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1120203200221 its reverse (1220023020211), we get a palindrome (2340226220432).

The spelling of 1120203200221 in words is "one trillion, one hundred twenty billion, two hundred three million, two hundred thousand, two hundred twenty-one".