2211222000212 has 24 divisors (see below), whose sum is σ = 3928452104640. Its totient is φ = 1088816002560.

The previous prime is 2211222000209. The next prime is 2211222000223. The reversal of 2211222000212 is 2120002221122.

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, 112589 + ... + 2105972.

It is an arithmetic number, because the mean of its divisors is an integer number (163685504360).

Almost surely, 2^{2211222000212} is an apocalyptic number.

It is an amenable number.

2211222000212 is a deficient number, since it is larger than the sum of its proper divisors (1717230104428).

2211222000212 is a wasteful number, since it uses less digits than its factorization.

2211222000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222351 (or 2222349 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2211222000212 its reverse (2120002221122), we get a palindrome (4331224221334).

The spelling of 2211222000212 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred twelve", and thus it is an aban number.