2102111404 has 48 divisors (see below), whose sum is σ = 4071513600. Its totient is φ = 944573696.

The previous prime is 2102111393. The next prime is 2102111437. The reversal of 2102111404 is 4041112012.

It is a happy number.

2102111404 is nontrivially palindromic in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1593057 + ... + 1594375.

It is an arithmetic number, because the mean of its divisors is an integer number (84823200).

Almost surely, 2^2102111404 is an apocalyptic number.

It is an amenable number.

2102111404 is a deficient number, since it is larger than the sum of its proper divisors (1969402196).

2102111404 is a wasteful number, since it uses less digits than its factorization.

2102111404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2102111404 is about 45848.7884681809. The cubic root of 2102111404 is about 1281.0081990049.

Adding to 2102111404 its reverse (4041112012), we get a palindrome (6143223416).

The spelling of 2102111404 in words is "two billion, one hundred two million, one hundred eleven thousand, four hundred four".