1121441420000 has 120 divisors (see below), whose sum is σ = 3009725073432. Its totient is φ = 407796800000.

The previous prime is 1121441419999. The next prime is 1121441420023. The reversal of 1121441420000 is 241441211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2328731 + ... + 2768730.

Almost surely, 2^{1121441420000} is an apocalyptic number.

1121441420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121441420000 is an abundant number, since it is smaller than the sum of its proper divisors (1888283653432).

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

1121441420000 is an equidigital number, since it uses as much as digits as its factorization.

1121441420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097502 (or 5097479 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1121441420000 its reverse (241441211), we get a palindrome (1121682861211).

The spelling of 1121441420000 in words is "one trillion, one hundred twenty-one billion, four hundred forty-one million, four hundred twenty thousand".