1121100220518 has 8 divisors (see below), whose sum is σ = 2242200441048. Its totient is φ = 373700073504.

The previous prime is 1121100220511. The next prime is 1121100220519. The reversal of 1121100220518 is 8150220011211.

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

1121100220518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121100220511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93425018371 + ... + 93425018382.

It is an arithmetic number, because the mean of its divisors is an integer number (280275055131).

Almost surely, 2^{1121100220518} is an apocalyptic number.

1121100220518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121100220518 is a wasteful number, since it uses less digits than its factorization.

1121100220518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186850036758.

The product of its (nonzero) digits is 320, while the sum is 24.

Adding to 1121100220518 its reverse (8150220011211), we get a palindrome (9271320231729).

The spelling of 1121100220518 in words is "one trillion, one hundred twenty-one billion, one hundred million, two hundred twenty thousand, five hundred eighteen".