2104101011242 has 4 divisors (see below), whose sum is σ = 3156151516866. Its totient is φ = 1052050505620.

The previous prime is 2104101011237. The next prime is 2104101011269. The reversal of 2104101011242 is 2421101014012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1784978832961 + 319122178281 = 1336031^2 + 564909^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526025252809 + ... + 526025252812.

Almost surely, 2^{2104101011242} is an apocalyptic number.

2104101011242 is a deficient number, since it is larger than the sum of its proper divisors (1052050505624).

2104101011242 is a wasteful number, since it uses less digits than its factorization.

2104101011242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052050505623.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2104101011242 its reverse (2421101014012), we get a palindrome (4525202025254).

The spelling of 2104101011242 in words is "two trillion, one hundred four billion, one hundred one million, eleven thousand, two hundred forty-two".