11102221200220 has 24 divisors (see below), whose sum is σ = 23316730615584. Its totient is φ = 4440494938176.

The previous prime is 11102221200193. The next prime is 11102221200247. The reversal of 11102221200220 is 2200212220111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11102221200193) and next prime (11102221200247).

It is a super-2 number, since 2×11102221200220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11102221200194 and 11102221200203.

It is a congruent number.

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, 24364987 + ... + 24816466.

It is an arithmetic number, because the mean of its divisors is an integer number (971530442316).

Almost surely, 2^{11102221200220} is an apocalyptic number.

11102221200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102221200220 is an abundant number, since it is smaller than the sum of its proper divisors (12214509415364).

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

11102221200220 is a wasteful number, since it uses less digits than its factorization.

11102221200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49192749 (or 49192747 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11102221200220 its reverse (2200212220111), we get a palindrome (13302433420331).

The spelling of 11102221200220 in words is "eleven trillion, one hundred two billion, two hundred twenty-one million, two hundred thousand, two hundred twenty".