21301312099982 has 8 divisors (see below), whose sum is σ = 31967920211976. Its totient is φ = 10645338695992.

The previous prime is 21301312099973. The next prime is 21301312100039. The reversal of 21301312099982 is 28999021310312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21301312099982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658671993 + ... + 2658680004.

It is an arithmetic number, because the mean of its divisors is an integer number (3995990026497).

Almost surely, 2^{21301312099982} is an apocalyptic number.

21301312099982 is a deficient number, since it is larger than the sum of its proper divisors (10666608111994).

21301312099982 is a wasteful number, since it uses less digits than its factorization.

21301312099982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317354002.

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 21301312099982 in words is "twenty-one trillion, three hundred one billion, three hundred twelve million, ninety-nine thousand, nine hundred eighty-two".