2101510304242 has 8 divisors (see below), whose sum is σ = 3152271643776. Its totient is φ = 1050753089652.

The previous prime is 2101510304189. The next prime is 2101510304347. The reversal of 2101510304242 is 2424030151012.

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

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, 1265223 + ... + 2409109.

It is an arithmetic number, because the mean of its divisors is an integer number (394033955472).

Almost surely, 2^{2101510304242} is an apocalyptic number.

2101510304242 is a deficient number, since it is larger than the sum of its proper divisors (1050761339534).

2101510304242 is a wasteful number, since it uses less digits than its factorization.

2101510304242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062472.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2101510304242 its reverse (2424030151012), we get a palindrome (4525540455254).

The spelling of 2101510304242 in words is "two trillion, one hundred one billion, five hundred ten million, three hundred four thousand, two hundred forty-two".