10142551021442 has 32 divisors (see below), whose sum is σ = 17560417417344. Its totient is φ = 4303515888000.

The previous prime is 10142551021391. The next prime is 10142551021591. The reversal of 10142551021442 is 24412015524101.

It is a junction number, because it is equal to n+sod(n) for n = 10142551021399 and 10142551021408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24800942 + ... + 25206582.

It is an arithmetic number, because the mean of its divisors is an integer number (548763044292).

Almost surely, 2^{10142551021442} is an apocalyptic number.

10142551021442 is a deficient number, since it is larger than the sum of its proper divisors (7417866395902).

10142551021442 is a wasteful number, since it uses less digits than its factorization.

10142551021442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423434.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 10142551021442 its reverse (24412015524101), we get a palindrome (34554566545543).

The spelling of 10142551021442 in words is "ten trillion, one hundred forty-two billion, five hundred fifty-one million, twenty-one thousand, four hundred forty-two".