1000220112002 has 8 divisors (see below), whose sum is σ = 1500461890956. Its totient is φ = 500066148352.

The previous prime is 1000220111959. The next prime is 1000220112019. The reversal of 1000220112002 is 2002110220001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 968986265641 + 31233846361 = 984371^2 + 176731^2 .

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

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, 21925343 + ... + 21970914.

Almost surely, 2^{1000220112002} is an apocalyptic number.

1000220112002 is a deficient number, since it is larger than the sum of its proper divisors (500241778954).

1000220112002 is a wasteful number, since it uses less digits than its factorization.

1000220112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43907652.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1000220112002 its reverse (2002110220001), we get a palindrome (3002330332003).

The spelling of 1000220112002 in words is "one trillion, two hundred twenty million, one hundred twelve thousand, two".