11102121210220 has 12 divisors (see below), whose sum is σ = 23314454541504. Its totient is φ = 4440848484080.

The previous prime is 11102121210217. The next prime is 11102121210241. The reversal of 11102121210220 is 2201212120111.

It is a junction number, because it is equal to n+sod(n) for n = 11102121210194 and 11102121210203.

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, 277553030236 + ... + 277553030275.

It is an arithmetic number, because the mean of its divisors is an integer number (1942871211792).

Almost surely, 2^{11102121210220} is an apocalyptic number.

11102121210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102121210220 is an abundant number, since it is smaller than the sum of its proper divisors (12212333331284).

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

11102121210220 is a wasteful number, since it uses less digits than its factorization.

11102121210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555106060520 (or 555106060518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11102121210220 its reverse (2201212120111), we get a palindrome (13303333330331).

The spelling of 11102121210220 in words is "eleven trillion, one hundred two billion, one hundred twenty-one million, two hundred ten thousand, two hundred twenty".