21110210002012 has 12 divisors (see below), whose sum is σ = 36943206198976. Its totient is φ = 10555008230880.

The previous prime is 21110210001977. The next prime is 21110210002067. The reversal of 21110210002012 is 21020001201112.

It is a junction number, because it is equal to n+sod(n) for n = 21110210001983 and 21110210002001.

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, 23700588 + ... + 24575155.

Almost surely, 2^{21110210002012} is an apocalyptic number.

It is an amenable number.

21110210002012 is a deficient number, since it is larger than the sum of its proper divisors (15832996196964).

21110210002012 is a wasteful number, since it uses less digits than its factorization.

21110210002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48385068 (or 48385066 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21110210002012 its reverse (21020001201112), we get a palindrome (42130211203124).

The spelling of 21110210002012 in words is "twenty-one trillion, one hundred ten billion, two hundred ten million, two thousand, twelve".