21112020002212 has 48 divisors (see below), whose sum is σ = 37358267627520. Its totient is φ = 10438496640000.

The previous prime is 21112020002153. The next prime is 21112020002267. The reversal of 21112020002212 is 21220002021112.

It is a happy number.

21112020002212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1537761364 + ... + 1537775092.

It is an arithmetic number, because the mean of its divisors is an integer number (778297242240).

Almost surely, 2^{21112020002212} is an apocalyptic number.

It is an amenable number.

21112020002212 is a deficient number, since it is larger than the sum of its proper divisors (16246247625308).

21112020002212 is a wasteful number, since it uses less digits than its factorization.

21112020002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18292 (or 18290 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21112020002212 its reverse (21220002021112), we get a palindrome (42332022023324).

The spelling of 21112020002212 in words is "twenty-one trillion, one hundred twelve billion, twenty million, two thousand, two hundred twelve".