1120221213 has 12 divisors (see below), whose sum is σ = 1535093280. Its totient is φ = 726627312.

The previous prime is 1120221211. The next prime is 1120221227. The reversal of 1120221213 is 3121220211.

It is not a de Polignac number, because 1120221213 - 2¹ = 1120221211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120221192 and 1120221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132273 + ... + 140486.

It is an arithmetic number, because the mean of its divisors is an integer number (127924440).

Almost surely, 2^1120221213 is an apocalyptic number.

It is an amenable number.

1120221213 is a deficient number, since it is larger than the sum of its proper divisors (414872067).

1120221213 is an equidigital number, since it uses as much as digits as its factorization.

1120221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272836 (or 272799 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1120221213 is about 33469.7058995146. The cubic root of 1120221213 is about 1038.5671877263.

Adding to 1120221213 its reverse (3121220211), we get a palindrome (4241441424).

The spelling of 1120221213 in words is "one billion, one hundred twenty million, two hundred twenty-one thousand, two hundred thirteen".