21210200000986 has 16 divisors (see below), whose sum is σ = 31885288156800. Its totient is φ = 10581795852768.

The previous prime is 21210200000959. The next prime is 21210200001071. The reversal of 21210200000986 is 68900000201212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4627320 + ... + 7989523.

It is an arithmetic number, because the mean of its divisors is an integer number (1992830509800).

Almost surely, 2^{21210200000986} is an apocalyptic number.

21210200000986 is a deficient number, since it is larger than the sum of its proper divisors (10675088155814).

21210200000986 is a wasteful number, since it uses less digits than its factorization.

21210200000986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12618693.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 21210200000986 in words is "twenty-one trillion, two hundred ten billion, two hundred million, nine hundred eighty-six", and thus it is an aban number.