1121021011424 has 12 divisors (see below), whose sum is σ = 2207010116304. Its totient is φ = 560510505696.

The previous prime is 1121021011423. The next prime is 1121021011469. The reversal of 1121021011424 is 4241101201211.

It is a junction number, because it is equal to n+sod(n) for n = 1121021011396 and 1121021011405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121021011423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17515953272 + ... + 17515953335.

It is an arithmetic number, because the mean of its divisors is an integer number (183917509692).

Almost surely, 2^{1121021011424} is an apocalyptic number.

It is an amenable number.

1121021011424 is a deficient number, since it is larger than the sum of its proper divisors (1085989104880).

1121021011424 is an equidigital number, since it uses as much as digits as its factorization.

1121021011424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35031906617 (or 35031906609 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1121021011424 its reverse (4241101201211), we get a palindrome (5362122212635).

The spelling of 1121021011424 in words is "one trillion, one hundred twenty-one billion, twenty-one million, eleven thousand, four hundred twenty-four".