2102424111442 has 8 divisors (see below), whose sum is σ = 3153642437196. Its totient is φ = 1051209965712.

The previous prime is 2102424111421. The next prime is 2102424111449. The reversal of 2102424111442 is 2441114242012.

It can be written as a sum of positive squares in 2 ways, for example, as 2021171179041 + 81252932401 = 1421679^2 + 285049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2102424111442.

It is not an unprimeable number, because it can be changed into a prime (2102424111449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062388 + ... + 2309440.

Almost surely, 2^{2102424111442} is an apocalyptic number.

2102424111442 is a deficient number, since it is larger than the sum of its proper divisors (1051218325754).

2102424111442 is a wasteful number, since it uses less digits than its factorization.

2102424111442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090012.

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

Adding to 2102424111442 its reverse (2441114242012), we get a palindrome (4543538353454).

The spelling of 2102424111442 in words is "two trillion, one hundred two billion, four hundred twenty-four million, one hundred eleven thousand, four hundred forty-two".