1110121121124 has 36 divisors (see below), whose sum is σ = 2806585563600. Its totient is φ = 369981552240.

The previous prime is 1110121121071. The next prime is 1110121121147. The reversal of 1110121121124 is 4211211210111.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1110121121097 and 1110121121106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2220982 + ... + 2674509.

It is an arithmetic number, because the mean of its divisors is an integer number (77960710100).

Almost surely, 2^{1110121121124} is an apocalyptic number.

It is an amenable number.

1110121121124 is an abundant number, since it is smaller than the sum of its proper divisors (1696464442476).

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

1110121121124 is a wasteful number, since it uses less digits than its factorization.

1110121121124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901800 (or 4901795 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 1110121121124 its reverse (4211211210111), we get a palindrome (5321332331235).

The spelling of 1110121121124 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-four".