2221112000212 has 24 divisors (see below), whose sum is σ = 4442260222400. Its totient is φ = 951897381120.

The previous prime is 2221112000189. The next prime is 2221112000227. The reversal of 2221112000212 is 2120002111222.

It is a happy number.

It is a congruent number.

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, 4363387 + ... + 4845757.

Almost surely, 2^{2221112000212} is an apocalyptic number.

It is an amenable number.

2221112000212 is an abundant number, since it is smaller than the sum of its proper divisors (2221148222188).

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

2221112000212 is a wasteful number, since it uses less digits than its factorization.

2221112000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646831 (or 646829 counting only the distinct ones).

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

Adding to 2221112000212 its reverse (2120002111222), we get a palindrome (4341114111434).

The spelling of 2221112000212 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twelve", and thus it is an aban number.