1001221011002 has 8 divisors (see below), whose sum is σ = 1509694509312. Its totient is φ = 497989507900.

The previous prime is 1001221010983. The next prime is 1001221011029. The reversal of 1001221011002 is 2001101221001.

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, 1310498324 + ... + 1310499087.

It is an arithmetic number, because the mean of its divisors is an integer number (188711813664).

Almost surely, 2^{1001221011002} is an apocalyptic number.

1001221011002 is a deficient number, since it is larger than the sum of its proper divisors (508473498310).

1001221011002 is a wasteful number, since it uses less digits than its factorization.

1001221011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620997604.

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

Adding to 1001221011002 its reverse (2001101221001), we get a palindrome (3002322232003).

The spelling of 1001221011002 in words is "one trillion, one billion, two hundred twenty-one million, eleven thousand, two".