2102102042 has 16 divisors (see below), whose sum is σ = 3231678912. Its totient is φ = 1024954560.

The previous prime is 2102102039. The next prime is 2102102063. The reversal of 2102102042 is 2402012012.

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, 34898 + ... + 73634.

It is an arithmetic number, because the mean of its divisors is an integer number (201979932).

Almost surely, 2^2102102042 is an apocalyptic number.

2102102042 is a deficient number, since it is larger than the sum of its proper divisors (1129576870).

2102102042 is a wasteful number, since it uses less digits than its factorization.

2102102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39413.

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

The square root of 2102102042 is about 45848.6863715854. The cubic root of 2102102042 is about 1281.0062972952.

Adding to 2102102042 its reverse (2402012012), we get a palindrome (4504114054).

The spelling of 2102102042 in words is "two billion, one hundred two million, one hundred two thousand, forty-two".