11322120220 has 12 divisors (see below), whose sum is σ = 23776452504. Its totient is φ = 4528848080.

The previous prime is 11322120179. The next prime is 11322120247. The reversal of 11322120220 is 2202122311.

It is a happy number.

It is a super-2 number, since 2×11322120220² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11322120194 and 11322120203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283052986 + ... + 283053025.

It is an arithmetic number, because the mean of its divisors is an integer number (1981371042).

Almost surely, 2^11322120220 is an apocalyptic number.

11322120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11322120220 is an abundant number, since it is smaller than the sum of its proper divisors (12454332284).

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

11322120220 is a wasteful number, since it uses less digits than its factorization.

11322120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566106020 (or 566106018 counting only the distinct ones).

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

Adding to 11322120220 its reverse (2202122311), we get a palindrome (13524242531).

The spelling of 11322120220 in words is "eleven billion, three hundred twenty-two million, one hundred twenty thousand, two hundred twenty".