1010001021002 has 8 divisors (see below), whose sum is σ = 1515006809316. Its totient is φ = 504998751232.

The previous prime is 1010001020999. The next prime is 1010001021013. The reversal of 1010001021002 is 2001201000101.

It can be written as a sum of positive squares in 2 ways, for example, as 729280132441 + 280720888561 = 853979^2 + 529831^2 .

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, 23408 + ... + 1421460.

Almost surely, 2^{1010001021002} is an apocalyptic number.

1010001021002 is a deficient number, since it is larger than the sum of its proper divisors (505005788314).

1010001021002 is a wasteful number, since it uses less digits than its factorization.

1010001021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759272.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1010001021002 its reverse (2001201000101), we get a palindrome (3011202021103).

The spelling of 1010001021002 in words is "one trillion, ten billion, one million, twenty-one thousand, two".