11222013220 has 24 divisors (see below), whose sum is σ = 25708612608. Its totient is φ = 4080732000.

The previous prime is 11222013211. The next prime is 11222013221. The reversal of 11222013220 is 2231022211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11222013194 and 11222013203.

It is not an unprimeable number, because it can be changed into a prime (11222013221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25504356 + ... + 25504795.

It is an arithmetic number, because the mean of its divisors is an integer number (1071192192).

Almost surely, 2^11222013220 is an apocalyptic number.

11222013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222013220 is an abundant number, since it is smaller than the sum of its proper divisors (14486599388).

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

11222013220 is a wasteful number, since it uses less digits than its factorization.

11222013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51009171 (or 51009169 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11222013220 its reverse (2231022211), we get a palindrome (13453035431).

The spelling of 11222013220 in words is "eleven billion, two hundred twenty-two million, thirteen thousand, two hundred twenty".