11211010222222 has 16 divisors (see below), whose sum is σ = 16851952109520. Its totient is φ = 5593695988608.

The previous prime is 11211010222213. The next prime is 11211010222261. The reversal of 11211010222222 is 22222201011211.

It is a self number, because there is not a number n which added to its sum of digits gives 11211010222222.

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, 6403753 + ... + 7964299.

It is an arithmetic number, because the mean of its divisors is an integer number (1053247006845).

Almost surely, 2^{11211010222222} is an apocalyptic number.

11211010222222 is a deficient number, since it is larger than the sum of its proper divisors (5640941887298).

11211010222222 is a wasteful number, since it uses less digits than its factorization.

11211010222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568115.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11211010222222 its reverse (22222201011211), we get a palindrome (33433211233433).

The spelling of 11211010222222 in words is "eleven trillion, two hundred eleven billion, ten million, two hundred twenty-two thousand, two hundred twenty-two".