11222100220 has 48 divisors (see below), whose sum is σ = 24069050208. Its totient is φ = 4393509120.

The previous prime is 11222100151. The next prime is 11222100229. The reversal of 11222100220 is 2200122211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11222100220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222100229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 433687 + ... + 458833.

It is an arithmetic number, because the mean of its divisors is an integer number (501438546).

Almost surely, 2^11222100220 is an apocalyptic number.

11222100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222100220 is an abundant number, since it is smaller than the sum of its proper divisors (12846949988).

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

11222100220 is a wasteful number, since it uses less digits than its factorization.

11222100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25630 (or 25628 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11222100220 its reverse (2200122211), we get a palindrome (13422222431).

The spelling of 11222100220 in words is "eleven billion, two hundred twenty-two million, one hundred thousand, two hundred twenty".