21202103098 has 16 divisors (see below), whose sum is σ = 34721146944. Its totient is φ = 9629876160.

The previous prime is 21202103089. The next prime is 21202103099. The reversal of 21202103098 is 89030120212.

It is not an unprimeable number, because it can be changed into a prime (21202103099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342990 + ... + 400057.

It is an arithmetic number, because the mean of its divisors is an integer number (2170071684).

Almost surely, 2^21202103098 is an apocalyptic number.

21202103098 is a deficient number, since it is larger than the sum of its proper divisors (13519043846).

21202103098 is a wasteful number, since it uses less digits than its factorization.

21202103098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744357.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 21202103098 in words is "twenty-one billion, two hundred two million, one hundred three thousand, ninety-eight".