10142142221044 has 6 divisors (see below), whose sum is σ = 17748748886834. Its totient is φ = 5071071110520.

The previous prime is 10142142221027. The next prime is 10142142221047. The reversal of 10142142221044 is 44012224124101.

10142142221044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9892522076644 + 249620144400 = 3145238^2 + 499620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142142221047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267767777627 + ... + 1267767777634.

Almost surely, 2^{10142142221044} is an apocalyptic number.

It is an amenable number.

10142142221044 is a deficient number, since it is larger than the sum of its proper divisors (7606606665790).

10142142221044 is a wasteful number, since it uses less digits than its factorization.

10142142221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535535555265 (or 2535535555263 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 10142142221044 its reverse (44012224124101), we get a palindrome (54154366345145).

The spelling of 10142142221044 in words is "ten trillion, one hundred forty-two billion, one hundred forty-two million, two hundred twenty-one thousand, forty-four".