2104100042 has 16 divisors (see below), whose sum is σ = 3516331392. Its totient is φ = 936059520.

The previous prime is 2104100029. The next prime is 2104100051. The reversal of 2104100042 is 2400014012.

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, 1016423 + ... + 1018490.

It is an arithmetic number, because the mean of its divisors is an integer number (219770712).

Almost surely, 2^2104100042 is an apocalyptic number.

2104100042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2104100042 is a deficient number, since it is larger than the sum of its proper divisors (1412231350).

2104100042 is a wasteful number, since it uses less digits than its factorization.

2104100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034973.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2104100042 is about 45870.4702613784. The cubic root of 2104100042 is about 1281.4120245243.

Adding to 2104100042 its reverse (2400014012), we get a palindrome (4504114054).

The spelling of 2104100042 in words is "two billion, one hundred four million, one hundred thousand, forty-two".