1101103320220 has 24 divisors (see below), whose sum is σ = 2315471596704. Its totient is φ = 439840447296.

The previous prime is 1101103320209. The next prime is 1101103320227. The reversal of 1101103320220 is 220233011011.

It is a junction number, because it is equal to n+sod(n) for n = 1101103320194 and 1101103320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101103320227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37540024 + ... + 37569343.

It is an arithmetic number, because the mean of its divisors is an integer number (96477983196).

Almost surely, 2^{1101103320220} is an apocalyptic number.

1101103320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101103320220 is an abundant number, since it is smaller than the sum of its proper divisors (1214368276484).

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

1101103320220 is a wasteful number, since it uses less digits than its factorization.

1101103320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75110109 (or 75110107 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1101103320220 its reverse (220233011011), we get a palindrome (1321336331231).

The spelling of 1101103320220 in words is "one trillion, one hundred one billion, one hundred three million, three hundred twenty thousand, two hundred twenty".