1121021120000 has 100 divisors (see below), whose sum is σ = 2798920789896. Its totient is φ = 448408320000.

The previous prime is 1121021119973. The next prime is 1121021120113. The reversal of 1121021120000 is 211201211.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1431596 + ... + 2071595.

Almost surely, 2^{1121021120000} is an apocalyptic number.

1121021120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121021120000 is an abundant number, since it is smaller than the sum of its proper divisors (1677899669896).

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

1121021120000 is an frugal number, since it uses more digits than its factorization.

1121021120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503229 (or 3503198 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1121021120000 its reverse (211201211), we get a palindrome (1121232321211).

The spelling of 1121021120000 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one hundred twenty thousand".