1120221112221 has 8 divisors (see below), whose sum is σ = 1659586832960. Its totient is φ = 746814074796.

The previous prime is 1120221112211. The next prime is 1120221112229. The reversal of 1120221112221 is 1222111220211.

1120221112221 is a `hidden beast` number, since 112 + 0 + 221 + 112 + 221 = 666.

It is not a de Polignac number, because 1120221112221 - 2⁵ = 1120221112189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120221112194 and 1120221112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120221112229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20744835385 + ... + 20744835438.

It is an arithmetic number, because the mean of its divisors is an integer number (207448354120).

Almost surely, 2^{1120221112221} is an apocalyptic number.

It is an amenable number.

1120221112221 is a deficient number, since it is larger than the sum of its proper divisors (539365720739).

1120221112221 is an equidigital number, since it uses as much as digits as its factorization.

1120221112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41489670832 (or 41489670826 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1120221112221 its reverse (1222111220211), we get a palindrome (2342332332432).

The spelling of 1120221112221 in words is "one trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, two hundred twenty-one".