10142142220442 has 16 divisors (see below), whose sum is σ = 15252561213120. Its totient is φ = 5057971577568.

The previous prime is 10142142220279. The next prime is 10142142220477. The reversal of 10142142220442 is 24402224124101.

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, 2871278 + ... + 5341209.

It is an arithmetic number, because the mean of its divisors is an integer number (953285075820).

Almost surely, 2^{10142142220442} is an apocalyptic number.

10142142220442 is a deficient number, since it is larger than the sum of its proper divisors (5110418992678).

10142142220442 is an equidigital number, since it uses as much as digits as its factorization.

10142142220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214085.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 10142142220442 its reverse (24402224124101), we get a palindrome (34544366344543).

The spelling of 10142142220442 in words is "ten trillion, one hundred forty-two billion, one hundred forty-two million, two hundred twenty thousand, four hundred forty-two".