2101203104 has 144 divisors (see below), whose sum is σ = 5654015136. Its totient is φ = 755596800.

The previous prime is 2101203067. The next prime is 2101203109. The reversal of 2101203104 is 4013021012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (2101203109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219539 + ... + 228909.

It is an arithmetic number, because the mean of its divisors is an integer number (39263994).

Almost surely, 2^2101203104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101203104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827007568).

2101203104 is an abundant number, since it is smaller than the sum of its proper divisors (3552812032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101203104 is a wasteful number, since it uses less digits than its factorization.

2101203104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419 (or 9404 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2101203104 is about 45838.8820107995. The cubic root of 2101203104 is about 1280.8236690810.

Adding to 2101203104 its reverse (4013021012), we get a palindrome (6114224116).

The spelling of 2101203104 in words is "two billion, one hundred one million, two hundred three thousand, one hundred four".