1121121200120 has 32 divisors (see below), whose sum is σ = 2522553012720. Its totient is φ = 448443091200.

The previous prime is 1121121200117. The next prime is 1121121200131. The reversal of 1121121200120 is 210021211211.

It is a junction number, because it is equal to n+sod(n) for n = 1121121200095 and 1121121200104.

It is a congruent number.

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, 5914820 + ... + 6101420.

Almost surely, 2^{1121121200120} is an apocalyptic number.

1121121200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121121200120 is an abundant number, since it is smaller than the sum of its proper divisors (1401431812600).

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

1121121200120 is a wasteful number, since it uses less digits than its factorization.

1121121200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336815 (or 336811 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121121200120 its reverse (210021211211), we get a palindrome (1331142411331).

The spelling of 1121121200120 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred thousand, one hundred twenty".