1121021022000 has 160 divisors (see below), whose sum is σ = 3942733077504. Its totient is φ = 271762656000.

The previous prime is 1121021021977. The next prime is 1121021022049. The reversal of 1121021022000 is 2201201211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8426584 + ... + 8558583.

Almost surely, 2^{1121021022000} is an apocalyptic number.

1121021022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121021022000 is an abundant number, since it is smaller than the sum of its proper divisors (2821712055504).

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

1121021022000 is a wasteful number, since it uses less digits than its factorization.

1121021022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16985204 (or 16985188 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1121021022000 its reverse (2201201211), we get a palindrome (1123222223211).

The spelling of 1121021022000 in words is "one trillion, one hundred twenty-one billion, twenty-one million, twenty-two thousand".