1120120221 has 16 divisors (see below), whose sum is σ = 1630474560. Its totient is φ = 678357120.

The previous prime is 1120120187. The next prime is 1120120229. The reversal of 1120120221 is 1220210211.

1120120221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1120120221 - 2⁹ = 1120119709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120120197 and 1120120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120120229) 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, 35281 + ... + 59033.

It is an arithmetic number, because the mean of its divisors is an integer number (101904660).

Almost surely, 2^1120120221 is an apocalyptic number.

1120120221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120120221 is a deficient number, since it is larger than the sum of its proper divisors (510354339).

1120120221 is a wasteful number, since it uses less digits than its factorization.

1120120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25196.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1120120221 is about 33468.1971578990. The cubic root of 1120120221 is about 1038.5359765904.

Adding to 1120120221 its reverse (1220210211), we get a palindrome (2340330432).

The spelling of 1120120221 in words is "one billion, one hundred twenty million, one hundred twenty thousand, two hundred twenty-one".