11222111022 has 16 divisors (see below), whose sum is σ = 22446435072. Its totient is φ = 3740334840.

The previous prime is 11222110973. The next prime is 11222111039. The reversal of 11222111022 is 22011122211.

It is a junction number, because it is equal to n+sod(n) for n = 11222110992 and 11222111010.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 22198 + ... + 151449.

It is an arithmetic number, because the mean of its divisors is an integer number (1402902192).

Almost surely, 2^11222111022 is an apocalyptic number.

11222111022 is an abundant number, since it is smaller than the sum of its proper divisors (11224324050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222111022 is a wasteful number, since it uses less digits than its factorization.

11222111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184423.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11222111022 its reverse (22011122211), we get a palindrome (33233233233).

The spelling of 11222111022 in words is "eleven billion, two hundred twenty-two million, one hundred eleven thousand, twenty-two".