2100013440104 has 8 divisors (see below), whose sum is σ = 3937525200210. Its totient is φ = 1050006720048.

The previous prime is 2100013440101. The next prime is 2100013440139. The reversal of 2100013440104 is 4010443100012.

It can be written as a sum of positive squares in only one way, i.e., 2072154492004 + 27858948100 = 1439498^2 + 166910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2100013440101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131250839999 + ... + 131250840014.

Almost surely, 2^{2100013440104} is an apocalyptic number.

It is an amenable number.

2100013440104 is a deficient number, since it is larger than the sum of its proper divisors (1837511760106).

2100013440104 is a wasteful number, since it uses less digits than its factorization.

2100013440104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262501680019 (or 262501680015 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2100013440104 its reverse (4010443100012), we get a palindrome (6110456540116).

The spelling of 2100013440104 in words is "two trillion, one hundred billion, thirteen million, four hundred forty thousand, one hundred four".