11200221001220 has 24 divisors (see below), whose sum is σ = 23520566740608. Its totient is φ = 4480068850400.

The previous prime is 11200221001217. The next prime is 11200221001237. The reversal of 11200221001220 is 2210012200211.

It is a junction number, because it is equal to n+sod(n) for n = 11200221001195 and 11200221001204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4025525 + ... + 6213315.

It is an arithmetic number, because the mean of its divisors is an integer number (980023614192).

Almost surely, 2^{11200221001220} is an apocalyptic number.

11200221001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200221001220 is an abundant number, since it is smaller than the sum of its proper divisors (12320345739388).

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

11200221001220 is a wasteful number, since it uses less digits than its factorization.

11200221001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443771 (or 2443769 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11200221001220 its reverse (2210012200211), we get a palindrome (13410233201431).

The spelling of 11200221001220 in words is "eleven trillion, two hundred billion, two hundred twenty-one million, one thousand, two hundred twenty".