121443244043 has 16 divisors (see below), whose sum is σ = 136096838880. Its totient is φ = 107393299200.

The previous prime is 121443244009. The next prime is 121443244067. The reversal of 121443244043 is 340442344121.

It is not a de Polignac number, because 121443244043 - 2¹² = 121443239947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121443234043) 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, 1773893 + ... + 1841081.

It is an arithmetic number, because the mean of its divisors is an integer number (8506052430).

Almost surely, 2^121443244043 is an apocalyptic number.

121443244043 is a deficient number, since it is larger than the sum of its proper divisors (14653594837).

121443244043 is a wasteful number, since it uses less digits than its factorization.

121443244043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71678.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 121443244043 its reverse (340442344121), we get a palindrome (461885588164).

The spelling of 121443244043 in words is "one hundred twenty-one billion, four hundred forty-three million, two hundred forty-four thousand, forty-three".