21031332098 has 16 divisors (see below), whose sum is σ = 36061588800. Its totient is φ = 9011458896.

The previous prime is 21031332071. The next prime is 21031332103. The reversal of 21031332098 is 89023313012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96773 + ... + 226776.

It is an arithmetic number, because the mean of its divisors is an integer number (2253849300).

Almost surely, 2^21031332098 is an apocalyptic number.

21031332098 is a deficient number, since it is larger than the sum of its proper divisors (15030256702).

21031332098 is a wasteful number, since it uses less digits than its factorization.

21031332098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328201.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 21031332098 in words is "twenty-one billion, thirty-one million, three hundred thirty-two thousand, ninety-eight".