101142423041242 has 32 divisors (see below), whose sum is σ = 174479672623104. Its totient is φ = 43544189103600.

The previous prime is 101142423041239. The next prime is 101142423041249. The reversal of 101142423041242 is 242140324241101.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (101142423041249) 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, 1577655958 + ... + 1577720065.

It is an arithmetic number, because the mean of its divisors is an integer number (5452489769472).

Almost surely, 2^{101142423041242} is an apocalyptic number.

101142423041242 is a deficient number, since it is larger than the sum of its proper divisors (73337249581862).

101142423041242 is a wasteful number, since it uses less digits than its factorization.

101142423041242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155376114.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 101142423041242 its reverse (242140324241101), we get a palindrome (343282747282343).

The spelling of 101142423041242 in words is "one hundred one trillion, one hundred forty-two billion, four hundred twenty-three million, forty-one thousand, two hundred forty-two".