1000220221011 has 16 divisors (see below), whose sum is σ = 1455692958720. Its totient is φ = 605849413920.

The previous prime is 1000220221009. The next prime is 1000220221153. The reversal of 1000220221011 is 1101220220001.

It is not a de Polignac number, because 1000220221011 - 2¹ = 1000220221009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000220221411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8557560 + ... + 8673653.

It is an arithmetic number, because the mean of its divisors is an integer number (90980809920).

Almost surely, 2^{1000220221011} is an apocalyptic number.

1000220221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000220221011 is a deficient number, since it is larger than the sum of its proper divisors (455472737709).

1000220221011 is a wasteful number, since it uses less digits than its factorization.

1000220221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17232986.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000220221011 its reverse (1101220220001), we get a palindrome (2101440441012).

The spelling of 1000220221011 in words is "one trillion, two hundred twenty million, two hundred twenty-one thousand, eleven".