1020000221206 has 16 divisors (see below), whose sum is σ = 1546139261520. Its totient is φ = 504622955520.

The previous prime is 1020000221147. The next prime is 1020000221231. The reversal of 1020000221206 is 6021220000201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020000221206.

It is a congruent number.

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, 202885 + ... + 1442623.

It is an arithmetic number, because the mean of its divisors is an integer number (96633703845).

Almost surely, 2^{1020000221206} is an apocalyptic number.

1020000221206 is a deficient number, since it is larger than the sum of its proper divisors (526139040314).

1020000221206 is a wasteful number, since it uses less digits than its factorization.

1020000221206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244079.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1020000221206 its reverse (6021220000201), we get a palindrome (7041220221407).

The spelling of 1020000221206 in words is "one trillion, twenty billion, two hundred twenty-one thousand, two hundred six".