2222211100012 has 48 divisors (see below), whose sum is σ = 4193857432800. Its totient is φ = 1026837872640.

The previous prime is 2222211100007. The next prime is 2222211100063. The reversal of 2222211100012 is 2100011122222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32025868 + ... + 32095180.

It is an arithmetic number, because the mean of its divisors is an integer number (87372029850).

Almost surely, 2^{2222211100012} is an apocalyptic number.

It is an amenable number.

2222211100012 is a deficient number, since it is larger than the sum of its proper divisors (1971646332788).

2222211100012 is a wasteful number, since it uses less digits than its factorization.

2222211100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79666 (or 79664 counting only the distinct ones).

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

Adding to 2222211100012 its reverse (2100011122222), we get a palindrome (4322222222234).

The spelling of 2222211100012 in words is "two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred thousand, twelve".