42004101011 has 4 divisors (see below), whose sum is σ = 42061406112. Its totient is φ = 41946795912.

The previous prime is 42004100981. The next prime is 42004101023. The reversal of 42004101011 is 11010140024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42004101011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42004101071) 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, 28651451 + ... + 28652916.

It is an arithmetic number, because the mean of its divisors is an integer number (10515351528).

Almost surely, 2^42004101011 is an apocalyptic number.

42004101011 is a deficient number, since it is larger than the sum of its proper divisors (57305101).

42004101011 is an equidigital number, since it uses as much as digits as its factorization.

42004101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57305100.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 42004101011 its reverse (11010140024), we get a palindrome (53014241035).

The spelling of 42004101011 in words is "forty-two billion, four million, one hundred one thousand, eleven".