43121104110442 has 16 divisors (see below), whose sum is σ = 66953696117760. Its totient is φ = 20804130693808.

The previous prime is 43121104110437. The next prime is 43121104110443. The reversal of 43121104110442 is 24401140112134.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43121104110442.

It is not an unprimeable number, because it can be changed into a prime (43121104110443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231228298 + ... + 231414709.

It is an arithmetic number, because the mean of its divisors is an integer number (4184606007360).

Almost surely, 2^{43121104110442} is an apocalyptic number.

43121104110442 is a deficient number, since it is larger than the sum of its proper divisors (23832592007318).

43121104110442 is a wasteful number, since it uses less digits than its factorization.

43121104110442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462644645.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 43121104110442 its reverse (24401140112134), we get a palindrome (67522244222576).

The spelling of 43121104110442 in words is "forty-three trillion, one hundred twenty-one billion, one hundred four million, one hundred ten thousand, four hundred forty-two".