1001221110002 has 8 divisors (see below), whose sum is σ = 1502440440816. Its totient is φ = 500407629732.

The previous prime is 1001221109989. The next prime is 1001221110049. The reversal of 1001221110002 is 2000111221001.

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

It is a super-2 number, since 2×1001221110002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101456468 + ... + 101466335.

It is an arithmetic number, because the mean of its divisors is an integer number (187805055102).

Almost surely, 2^{1001221110002} is an apocalyptic number.

1001221110002 is a deficient number, since it is larger than the sum of its proper divisors (501219330814).

1001221110002 is a wasteful number, since it uses less digits than its factorization.

1001221110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202925272.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001221110002 its reverse (2000111221001), we get a palindrome (3001332331003).

The spelling of 1001221110002 in words is "one trillion, one billion, two hundred twenty-one million, one hundred ten thousand, two".