11203101223220 has 24 divisors (see below), whose sum is σ = 23925267021600. Its totient is φ = 4405287260192.

The previous prime is 11203101223003. The next prime is 11203101223241. The reversal of 11203101223220 is 2232210130211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11203101223192 and 11203101223201.

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, 4747075610 + ... + 4747077969.

It is an arithmetic number, because the mean of its divisors is an integer number (996886125900).

Almost surely, 2^{11203101223220} is an apocalyptic number.

11203101223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203101223220 is an abundant number, since it is smaller than the sum of its proper divisors (12722165798380).

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

11203101223220 is a wasteful number, since it uses less digits than its factorization.

11203101223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494153647 (or 9494153645 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11203101223220 its reverse (2232210130211), we get a palindrome (13435311353431).

The spelling of 11203101223220 in words is "eleven trillion, two hundred three billion, one hundred one million, two hundred twenty-three thousand, two hundred twenty".