1121121200116 has 12 divisors (see below), whose sum is σ = 1963286865540. Its totient is φ = 560182095680.

The previous prime is 1121121200081. The next prime is 1121121200117. The reversal of 1121121200116 is 6110021211211.

It can be written as a sum of positive squares in 2 ways, for example, as 310393836900 + 810727363216 = 557130^2 + 900404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1121121200093 and 1121121200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121200117) 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, 94619431 + ... + 94631278.

It is an arithmetic number, because the mean of its divisors is an integer number (163607238795).

Almost surely, 2^{1121121200116} is an apocalyptic number.

It is an amenable number.

1121121200116 is a deficient number, since it is larger than the sum of its proper divisors (842165665424).

1121121200116 is a wasteful number, since it uses less digits than its factorization.

1121121200116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189252194 (or 189252192 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 1121121200116 its reverse (6110021211211), we get a palindrome (7231142411327).

The spelling of 1121121200116 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred thousand, one hundred sixteen".