2102111102 has 16 divisors (see below), whose sum is σ = 3880820832. Its totient is φ = 831604320.

The previous prime is 2102111101. The next prime is 2102111111. The reversal of 2102111102 is 2011112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102111101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5774849 + ... + 5775212.

It is an arithmetic number, because the mean of its divisors is an integer number (242551302).

Almost surely, 2^2102111102 is an apocalyptic number.

2102111102 is a deficient number, since it is larger than the sum of its proper divisors (1778709730).

2102111102 is a wasteful number, since it uses less digits than its factorization.

2102111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11550083.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2102111102 is about 45848.7851747459. The cubic root of 2102111102 is about 1281.0081376595.

Adding to 2102111102 its reverse (2011112012), we get a palindrome (4113223114).

It can be divided in two parts, 21021 and 11102, that added together give a palindrome (32123).

The spelling of 2102111102 in words is "two billion, one hundred two million, one hundred eleven thousand, one hundred two".