2021001011002 has 32 divisors (see below), whose sum is σ = 3266750358144. Its totient is φ = 935246347200.

The previous prime is 2021001010999. The next prime is 2021001011033. The reversal of 2021001011002 is 2001101001202.

It is a super-2 number, since 2×2021001011002² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021001011002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2972124 + ... + 3588247.

It is an arithmetic number, because the mean of its divisors is an integer number (102085948692).

Almost surely, 2^{2021001011002} is an apocalyptic number.

2021001011002 is a deficient number, since it is larger than the sum of its proper divisors (1245749347142).

2021001011002 is a wasteful number, since it uses less digits than its factorization.

2021001011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560614.

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

Adding to 2021001011002 its reverse (2001101001202), we get a palindrome (4022102012204).

The spelling of 2021001011002 in words is "two trillion, twenty-one billion, one million, eleven thousand, two".