4002102103 has 4 divisors (see below), whose sum is σ = 4002242608. Its totient is φ = 4001961600.

The previous prime is 4002102067. The next prime is 4002102113. The reversal of 4002102103 is 3012012004.

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-4002102103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002102113) 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, 10698 + ... + 90103.

It is an arithmetic number, because the mean of its divisors is an integer number (1000560652).

Almost surely, 2^4002102103 is an apocalyptic number.

4002102103 is a deficient number, since it is larger than the sum of its proper divisors (140505).

4002102103 is a wasteful number, since it uses less digits than its factorization.

4002102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140504.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4002102103 is about 63262.1696039584. The cubic root of 4002102103 is about 1587.6790766470.

Adding to 4002102103 its reverse (3012012004), we get a palindrome (7014114107).

Subtracting from 4002102103 its reverse (3012012004), we obtain a palindrome (990090099).

The spelling of 4002102103 in words is "four billion, two million, one hundred two thousand, one hundred three".