2102142104 has 16 divisors (see below), whose sum is σ = 3961941720. Its totient is φ = 1045624320.

The previous prime is 2102142103. The next prime is 2102142131. The reversal of 2102142104 is 4012412012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102142103) 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, 679202 + ... + 682289.

Almost surely, 2^2102142104 is an apocalyptic number.

It is an amenable number.

2102142104 is a deficient number, since it is larger than the sum of its proper divisors (1859799616).

2102142104 is a wasteful number, since it uses less digits than its factorization.

2102142104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361690 (or 1361686 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2102142104 is about 45849.1232631552. The cubic root of 2102142104 is about 1281.0144350778.

Adding to 2102142104 its reverse (4012412012), we get a palindrome (6114554116).

The spelling of 2102142104 in words is "two billion, one hundred two million, one hundred forty-two thousand, one hundred four".