1020000001222 has 8 divisors (see below), whose sum is σ = 1530018373896. Its totient is φ = 509993876592.

The previous prime is 1020000001193. The next prime is 1020000001303. The reversal of 1020000001222 is 2221000000201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020000001199 and 1020000001208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2850903 + ... + 3188674.

It is an arithmetic number, because the mean of its divisors is an integer number (191252296737).

Almost surely, 2^{1020000001222} is an apocalyptic number.

1020000001222 is a deficient number, since it is larger than the sum of its proper divisors (510018372674).

1020000001222 is an equidigital number, since it uses as much as digits as its factorization.

1020000001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124022.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020000001222 its reverse (2221000000201), we get a palindrome (3241000001423).

The spelling of 1020000001222 in words is "one trillion, twenty billion, one thousand, two hundred twenty-two".