1101120144000 has 128 divisors (see below), whose sum is σ = 3650213436480. Its totient is φ = 293632025600.

The previous prime is 1101120143909. The next prime is 1101120144001. The reversal of 1101120144000 is 4410211011.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1101120144001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11422002 + ... + 11518001.

Almost surely, 2^{1101120144000} is an apocalyptic number.

1101120144000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101120144000 is an abundant number, since it is smaller than the sum of its proper divisors (2549093292480).

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

1101120144000 is an equidigital number, since it uses as much as digits as its factorization.

1101120144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22940035 (or 22940013 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1101120144000 its reverse (4410211011), we get a palindrome (1105530355011).

The spelling of 1101120144000 in words is "one trillion, one hundred one billion, one hundred twenty million, one hundred forty-four thousand".