2211211211222 has 32 divisors (see below), whose sum is σ = 3581738667360. Its totient is φ = 1017765388800.

The previous prime is 2211211211213. The next prime is 2211211211281. The reversal of 2211211211222 is 2221121121122.

2211211211222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2211211211194 and 2211211211203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46716104 + ... + 46763412.

It is an arithmetic number, because the mean of its divisors is an integer number (111929333355).

Almost surely, 2^{2211211211222} is an apocalyptic number.

2211211211222 is a deficient number, since it is larger than the sum of its proper divisors (1370527456138).

2211211211222 is a wasteful number, since it uses less digits than its factorization.

2211211211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52208.

The product of its digits is 128, while the sum is 20.

Adding to 2211211211222 its reverse (2221121121122), we get a palindrome (4432332332344).

It can be divided in two parts, 221121121122 and 2, that multiplied together give a palindrome (442242242244).

The spelling of 2211211211222 in words is "two trillion, two hundred eleven billion, two hundred eleven million, two hundred eleven thousand, two hundred twenty-two".