101204144242 has 16 divisors (see below), whose sum is σ = 155532858264. Its totient is φ = 49360240000.

The previous prime is 101204144227. The next prime is 101204144297. The reversal of 101204144242 is 242441402101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65218433641 + 35985710601 = 255379^2 + 189699^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457392 + ... + 641572.

Almost surely, 2^101204144242 is an apocalyptic number.

101204144242 is a deficient number, since it is larger than the sum of its proper divisors (54328714022).

101204144242 is a wasteful number, since it uses less digits than its factorization.

101204144242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190925.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 101204144242 its reverse (242441402101), we get a palindrome (343645546343).

The spelling of 101204144242 in words is "one hundred one billion, two hundred four million, one hundred forty-four thousand, two hundred forty-two".