4002102111 has 16 divisors (see below), whose sum is σ = 6100005888. Its totient is φ = 2286328800.

The previous prime is 4002102067. The next prime is 4002102113. The reversal of 4002102111 is 1112012004.

It is a happy number.

It is not a de Polignac number, because 4002102111 - 2⁶ = 4002102047 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 67381 + ... + 112001.

It is an arithmetic number, because the mean of its divisors is an integer number (381250368).

Almost surely, 2^4002102111 is an apocalyptic number.

4002102111 is a deficient number, since it is larger than the sum of its proper divisors (2097903777).

4002102111 is a wasteful number, since it uses less digits than its factorization.

4002102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48902.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 4002102111 is about 63262.1696671874. The cubic root of 4002102111 is about 1587.6790777049.

Adding to 4002102111 its reverse (1112012004), we get a palindrome (5114114115).

The spelling of 4002102111 in words is "four billion, two million, one hundred two thousand, one hundred eleven".