11203331213220 has 48 divisors (see below), whose sum is σ = 31372174024128. Its totient is φ = 2987283882880.

The previous prime is 11203331213177. The next prime is 11203331213233. The reversal of 11203331213220 is 2231213330211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7804971 + ... + 9128210.

It is an arithmetic number, because the mean of its divisors is an integer number (653586958836).

Almost surely, 2^{11203331213220} is an apocalyptic number.

11203331213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203331213220 is an abundant number, since it is smaller than the sum of its proper divisors (20168842810908).

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

11203331213220 is a wasteful number, since it uses less digits than its factorization.

11203331213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16944220 (or 16944218 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11203331213220 its reverse (2231213330211), we get a palindrome (13434544543431).

The spelling of 11203331213220 in words is "eleven trillion, two hundred three billion, three hundred thirty-one million, two hundred thirteen thousand, two hundred twenty".