1000011221002 has 8 divisors (see below), whose sum is σ = 1501998361956. Its totient is φ = 499345100352.

The previous prime is 1000011220987. The next prime is 1000011221029. The reversal of 1000011221002 is 2001221100001.

It can be written as a sum of positive squares in 2 ways, for example, as 939579323761 + 60431897241 = 969319^2 + 245829^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1000011221002.

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, 330253183 + ... + 330256210.

Almost surely, 2^{1000011221002} is an apocalyptic number.

1000011221002 is a deficient number, since it is larger than the sum of its proper divisors (501987140954).

1000011221002 is an equidigital number, since it uses as much as digits as its factorization.

1000011221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660510152.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000011221002 its reverse (2001221100001), we get a palindrome (3001232321003).

The spelling of 1000011221002 in words is "one trillion, eleven million, two hundred twenty-one thousand, two".