21000210013112 has 16 divisors (see below), whose sum is σ = 42954975027000. Its totient is φ = 9545550005920.

The previous prime is 21000210013099. The next prime is 21000210013207. The reversal of 21000210013112 is 21131001200012.

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, 119319374987 + ... + 119319375162.

Almost surely, 2^{21000210013112} is an apocalyptic number.

21000210013112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21000210013112 is an abundant number, since it is smaller than the sum of its proper divisors (21954765013888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21000210013112 is a wasteful number, since it uses less digits than its factorization.

21000210013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238638750166 (or 238638750162 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21000210013112 its reverse (21131001200012), we get a palindrome (42131211213124).

The spelling of 21000210013112 in words is "twenty-one trillion, two hundred ten million, thirteen thousand, one hundred twelve".