144020111121 has 24 divisors (see below), whose sum is σ = 209719910400. Its totient is φ = 95233392576.

The previous prime is 144020111051. The next prime is 144020111153. The reversal of 144020111121 is 121111020441.

144020111121 is a `hidden beast` number, since 1 + 440 + 201 + 1 + 1 + 1 + 21 = 666.

It is not a de Polignac number, because 144020111121 - 2⁹ = 144020110609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144020111094 and 144020111103.

It is not an unprimeable number, because it can be changed into a prime (144020110121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5300256 + ... + 5327358.

It is an arithmetic number, because the mean of its divisors is an integer number (8738329600).

Almost surely, 2^144020111121 is an apocalyptic number.

It is an amenable number.

144020111121 is a deficient number, since it is larger than the sum of its proper divisors (65699799279).

144020111121 is a wasteful number, since it uses less digits than its factorization.

144020111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31885 (or 31882 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 144020111121 its reverse (121111020441), we get a palindrome (265131131562).

The spelling of 144020111121 in words is "one hundred forty-four billion, twenty million, one hundred eleven thousand, one hundred twenty-one".