21012010000112 has 20 divisors (see below), whose sum is σ = 41226095572320. Its totient is φ = 10373017594368.

The previous prime is 21012010000081. The next prime is 21012010000127. The reversal of 21012010000112 is 21100001021012.

It is a junction number, because it is equal to n+sod(n) for n = 21012010000093 and 21012010000102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8311711553 + ... + 8311714080.

It is an arithmetic number, because the mean of its divisors is an integer number (2061304778616).

Almost surely, 2^{21012010000112} is an apocalyptic number.

It is an amenable number.

21012010000112 is a deficient number, since it is larger than the sum of its proper divisors (20214085572208).

21012010000112 is a wasteful number, since it uses less digits than its factorization.

21012010000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623425720 (or 16623425714 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21012010000112 its reverse (21100001021012), we get a palindrome (42112011021124).

The spelling of 21012010000112 in words is "twenty-one trillion, twelve billion, ten million, one hundred twelve", and thus it is an aban number.