121443244044 has 48 divisors (see below), whose sum is σ = 287796835200. Its totient is φ = 39849169536.

The previous prime is 121443244009. The next prime is 121443244067. The reversal of 121443244044 is 440442344121.

It is a junction number, because it is equal to n+sod(n) for n = 121443243996 and 121443244014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121272 + ... + 1224800.

It is an arithmetic number, because the mean of its divisors is an integer number (5995767400).

Almost surely, 2^121443244044 is an apocalyptic number.

It is an amenable number.

121443244044 is an abundant number, since it is smaller than the sum of its proper divisors (166353591156).

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

121443244044 is a wasteful number, since it uses less digits than its factorization.

121443244044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105062 (or 105060 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 121443244044 its reverse (440442344121), we get a palindrome (561885588165).

The spelling of 121443244044 in words is "one hundred twenty-one billion, four hundred forty-three million, two hundred forty-four thousand, forty-four".