1121120218 has 8 divisors (see below), whose sum is σ = 1686527712. Its totient is φ = 558944316.

The previous prime is 1121120171. The next prime is 1121120219. The reversal of 1121120218 is 8120211211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1121120195 and 1121120204.

It is not an unprimeable number, because it can be changed into a prime (1121120219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807030 + ... + 808417.

It is an arithmetic number, because the mean of its divisors is an integer number (210815964).

Almost surely, 2^1121120218 is an apocalyptic number.

1121120218 is a deficient number, since it is larger than the sum of its proper divisors (565407494).

1121120218 is a wasteful number, since it uses less digits than its factorization.

1121120218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615796.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 1121120218 is about 33483.1333360544. The cubic root of 1121120218 is about 1038.8449386529.

Adding to 1121120218 its reverse (8120211211), we get a palindrome (9241331429).

The spelling of 1121120218 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred eighteen".