43402121112522 has 8 divisors (see below), whose sum is σ = 86804242225056. Its totient is φ = 14467373704172.

The previous prime is 43402121112487. The next prime is 43402121112527. The reversal of 43402121112522 is 22521112120434.

43402121112522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

43402121112522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 43402121112522.

It is not an unprimeable number, because it can be changed into a prime (43402121112527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616843426038 + ... + 3616843426049.

It is an arithmetic number, because the mean of its divisors is an integer number (10850530278132).

Almost surely, 2^{43402121112522} is an apocalyptic number.

43402121112522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43402121112522 is a wasteful number, since it uses less digits than its factorization.

43402121112522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233686852092.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 43402121112522 its reverse (22521112120434), we get a palindrome (65923233232956).

The spelling of 43402121112522 in words is "forty-three trillion, four hundred two billion, one hundred twenty-one million, one hundred twelve thousand, five hundred twenty-two".