11222021111222 has 16 divisors (see below), whose sum is σ = 16997479279872. Its totient is φ = 5556201224040.

The previous prime is 11222021111141. The next prime is 11222021111339. The reversal of 11222021111222 is 22211112022211.

It is a junction number, because it is equal to n+sod(n) for n = 11222021111194 and 11222021111203.

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, 1823447 + ... + 5076317.

It is an arithmetic number, because the mean of its divisors is an integer number (1062342454992).

Almost surely, 2^{11222021111222} is an apocalyptic number.

11222021111222 is a deficient number, since it is larger than the sum of its proper divisors (5775458168650).

11222021111222 is a wasteful number, since it uses less digits than its factorization.

11222021111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269723.

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

Adding to 11222021111222 its reverse (22211112022211), we get a palindrome (33433133133433).

The spelling of 11222021111222 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, two hundred twenty-two".