2100204142 has 16 divisors (see below), whose sum is σ = 3161115072. Its totient is φ = 1046506240.

The previous prime is 2100204091. The next prime is 2100204143. The reversal of 2100204142 is 2414020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100204143) 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, 1017003 + ... + 1019065.

It is an arithmetic number, because the mean of its divisors is an integer number (197569692).

Almost surely, 2^2100204142 is an apocalyptic number.

2100204142 is a deficient number, since it is larger than the sum of its proper divisors (1060910930).

2100204142 is a wasteful number, since it uses less digits than its factorization.

2100204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2100204142 is about 45827.9842672575. The cubic root of 2100204142 is about 1280.6206588798.

Adding to 2100204142 its reverse (2414020012), we get a palindrome (4514224154).

The spelling of 2100204142 in words is "two billion, one hundred million, two hundred four thousand, one hundred forty-two".