2101099602 has 16 divisors (see below), whose sum is σ = 4802513472. Its totient is φ = 600314160.

The previous prime is 2101099601. The next prime is 2101099607. The reversal of 2101099602 is 2069901012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101099602.

It is not an unprimeable number, because it can be changed into a prime (2101099601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25013049 + ... + 25013132.

It is an arithmetic number, because the mean of its divisors is an integer number (300157092).

Almost surely, 2^2101099602 is an apocalyptic number.

2101099602 is an abundant number, since it is smaller than the sum of its proper divisors (2701413870).

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

2101099602 is a wasteful number, since it uses less digits than its factorization.

2101099602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50026193.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 2101099602 is about 45837.7530208452. The cubic root of 2101099602 is about 1280.8026382745.

The spelling of 2101099602 in words is "two billion, one hundred one million, ninety-nine thousand, six hundred two".