2103121234042 has 8 divisors (see below), whose sum is σ = 3291841931616. Its totient is φ = 1005840590172.

The previous prime is 2103121234037. The next prime is 2103121234061. The reversal of 2103121234042 is 2404321213012.

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

It is a junction number, because it is equal to n+sod(n) for n = 2103121233998 and 2103121234016.

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 3 ways as a sum of consecutive naturals, for example, 22860013368 + ... + 22860013459.

It is an arithmetic number, because the mean of its divisors is an integer number (411480241452).

Almost surely, 2^{2103121234042} is an apocalyptic number.

2103121234042 is a deficient number, since it is larger than the sum of its proper divisors (1188720697574).

2103121234042 is a wasteful number, since it uses less digits than its factorization.

2103121234042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45720026852.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2103121234042 its reverse (2404321213012), we get a palindrome (4507442447054).

The spelling of 2103121234042 in words is "two trillion, one hundred three billion, one hundred twenty-one million, two hundred thirty-four thousand, forty-two".