11021212233220 has 24 divisors (see below), whose sum is σ = 26450909360064. Its totient is φ = 3778701337056.

The previous prime is 11021212233211. The next prime is 11021212233247. The reversal of 11021212233220 is 2233221212011.

It is a junction number, because it is equal to n+sod(n) for n = 11021212233191 and 11021212233200.

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, 39361472122 + ... + 39361472401.

It is an arithmetic number, because the mean of its divisors is an integer number (1102121223336).

Almost surely, 2^{11021212233220} is an apocalyptic number.

11021212233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021212233220 is an abundant number, since it is smaller than the sum of its proper divisors (15429697126844).

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

11021212233220 is a wasteful number, since it uses less digits than its factorization.

11021212233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78722944539 (or 78722944537 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11021212233220 its reverse (2233221212011), we get a palindrome (13254433445231).

The spelling of 11021212233220 in words is "eleven trillion, twenty-one billion, two hundred twelve million, two hundred thirty-three thousand, two hundred twenty".