1000000220211 has 20 divisors (see below), whose sum is σ = 1502172916200. Its totient is φ = 662942408256.

The previous prime is 1000000220209. The next prime is 1000000220221. The reversal of 1000000220211 is 1120220000001.

It is not a de Polignac number, because 1000000220211 - 2¹ = 1000000220209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000000220193 and 1000000220202.

It is not an unprimeable number, because it can be changed into a prime (1000000220221) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 34470646 + ... + 34499643.

It is an arithmetic number, because the mean of its divisors is an integer number (75108645810).

Almost surely, 2^{1000000220211} is an apocalyptic number.

1000000220211 is a deficient number, since it is larger than the sum of its proper divisors (502172695989).

1000000220211 is an equidigital number, since it uses as much as digits as its factorization.

1000000220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68970480 (or 68970471 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000000220211 its reverse (1120220000001), we get a palindrome (2120220220212).

The spelling of 1000000220211 in words is "one trillion, two hundred twenty thousand, two hundred eleven".