1121180218 has 16 divisors (see below), whose sum is σ = 1765411200. Its totient is φ = 533002096.

The previous prime is 1121180201. The next prime is 1121180231. The reversal of 1121180218 is 8120811211.

It is a junction number, because it is equal to n+sod(n) for n = 1121180192 and 1121180201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65293 + ... + 80656.

It is an arithmetic number, because the mean of its divisors is an integer number (110338200).

Almost surely, 2^1121180218 is an apocalyptic number.

1121180218 is a deficient number, since it is larger than the sum of its proper divisors (644230982).

1121180218 is a wasteful number, since it uses less digits than its factorization.

1121180218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146141.

The product of its (nonzero) digits is 256, while the sum is 25.

The square root of 1121180218 is about 33484.0292975621. The cubic root of 1121180218 is about 1038.8634705889.

Adding to 1121180218 its reverse (8120811211), we get a palindrome (9241991429).

It can be divided in two parts, 11211 and 80218, that multiplied together give a palindrome (899323998).

The spelling of 1121180218 in words is "one billion, one hundred twenty-one million, one hundred eighty thousand, two hundred eighteen".