1111420120144 has 20 divisors (see below), whose sum is σ = 2153815830496. Its totient is φ = 555596680032.

The previous prime is 1111420120127. The next prime is 1111420120147. The reversal of 1111420120144 is 4410210241111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111420120147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7005354 + ... + 7162249.

Almost surely, 2^{1111420120144} is an apocalyptic number.

It is an amenable number.

1111420120144 is a deficient number, since it is larger than the sum of its proper divisors (1042395710352).

1111420120144 is a wasteful number, since it uses less digits than its factorization.

1111420120144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172514 (or 14172508 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 1111420120144 its reverse (4410210241111), we get a palindrome (5521630361255).

The spelling of 1111420120144 in words is "one trillion, one hundred eleven billion, four hundred twenty million, one hundred twenty thousand, one hundred forty-four".