11211000122222 has 32 divisors (see below), whose sum is σ = 16956288546624. Its totient is φ = 5559034752000.

The previous prime is 11211000122197. The next prime is 11211000122237. The reversal of 11211000122222 is 22222100011211.

It is a self number, because there is not a number n which added to its sum of digits gives 11211000122222.

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, 659733758 + ... + 659750750.

It is an arithmetic number, because the mean of its divisors is an integer number (529884017082).

Almost surely, 2^{11211000122222} is an apocalyptic number.

11211000122222 is a deficient number, since it is larger than the sum of its proper divisors (5745288424402).

11211000122222 is a wasteful number, since it uses less digits than its factorization.

11211000122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20684.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11211000122222 its reverse (22222100011211), we get a palindrome (33433100133433).

The spelling of 11211000122222 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-two thousand, two hundred twenty-two".