2100442143442 has 16 divisors (see below), whose sum is σ = 3318374267712. Its totient is φ = 995170879120.

The previous prime is 2100442143337. The next prime is 2100442143463. The reversal of 2100442143442 is 2443412440012.

It is a happy number.

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, 213367909 + ... + 213377752.

It is an arithmetic number, because the mean of its divisors is an integer number (207398391732).

Almost surely, 2^{2100442143442} is an apocalyptic number.

2100442143442 is a deficient number, since it is larger than the sum of its proper divisors (1217932124270).

2100442143442 is a wasteful number, since it uses less digits than its factorization.

2100442143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426745793.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2100442143442 its reverse (2443412440012), we get a palindrome (4543854583454).

The spelling of 2100442143442 in words is "two trillion, one hundred billion, four hundred forty-two million, one hundred forty-three thousand, four hundred forty-two".