101442421342 has 8 divisors (see below), whose sum is σ = 152178741432. Its totient is φ = 50716174200.

The previous prime is 101442421303. The next prime is 101442421349. The reversal of 101442421342 is 243124244101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101442421342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101442421349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2493009 + ... + 2533372.

It is an arithmetic number, because the mean of its divisors is an integer number (19022342679).

Almost surely, 2^101442421342 is an apocalyptic number.

101442421342 is a deficient number, since it is larger than the sum of its proper divisors (50736320090).

101442421342 is a wasteful number, since it uses less digits than its factorization.

101442421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036474.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 101442421342 its reverse (243124244101), we get a palindrome (344566665443).

The spelling of 101442421342 in words is "one hundred one billion, four hundred forty-two million, four hundred twenty-one thousand, three hundred forty-two".