2100042122 has 8 divisors (see below), whose sum is σ = 3169389216. Its totient is φ = 1043579052.

The previous prime is 2100042121. The next prime is 2100042151. The reversal of 2100042122 is 2212400012.

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 = 2100042097 and 2100042106.

It is not an unprimeable number, because it can be changed into a prime (2100042121) 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, 3220598 + ... + 3221249.

It is an arithmetic number, because the mean of its divisors is an integer number (396173652).

Almost surely, 2^2100042122 is an apocalyptic number.

2100042122 is a deficient number, since it is larger than the sum of its proper divisors (1069347094).

2100042122 is a wasteful number, since it uses less digits than its factorization.

2100042122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442012.

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

The square root of 2100042122 is about 45826.2165359524. The cubic root of 2100042122 is about 1280.5877269232.

Adding to 2100042122 its reverse (2212400012), we get a palindrome (4312442134).

The spelling of 2100042122 in words is "two billion, one hundred million, forty-two thousand, one hundred twenty-two".