21000310200998 has 8 divisors (see below), whose sum is σ = 31740926869080. Its totient is φ = 10420001244640.

The previous prime is 21000310200953. The next prime is 21000310201021. The reversal of 21000310200998 is 89900201300012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40076927603 + ... + 40076928126.

It is an arithmetic number, because the mean of its divisors is an integer number (3967615858635).

Almost surely, 2^{21000310200998} is an apocalyptic number.

21000310200998 is a deficient number, since it is larger than the sum of its proper divisors (10740616668082).

21000310200998 is a wasteful number, since it uses less digits than its factorization.

21000310200998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80153855862.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 21000310200998 in words is "twenty-one trillion, three hundred ten million, two hundred thousand, nine hundred ninety-eight".