42143221134422 has 16 divisors (see below), whose sum is σ = 65397233679840. Its totient is φ = 20352457153728.

The previous prime is 42143221134331. The next prime is 42143221134437. The reversal of 42143221134422 is 22443112234124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078467922 + ... + 2078488197.

It is an arithmetic number, because the mean of its divisors is an integer number (4087327104990).

Almost surely, 2^{42143221134422} is an apocalyptic number.

42143221134422 is a deficient number, since it is larger than the sum of its proper divisors (23254012545418).

42143221134422 is a wasteful number, since it uses less digits than its factorization.

42143221134422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156956295.

The product of its digits is 73728, while the sum is 35.

Adding to 42143221134422 its reverse (22443112234124), we get a palindrome (64586333368546).

The spelling of 42143221134422 in words is "forty-two trillion, one hundred forty-three billion, two hundred twenty-one million, one hundred thirty-four thousand, four hundred twenty-two".