10021021000001 has 32 divisors (see below), whose sum is σ = 11065788518400. Its totient is φ = 8999266510080.

The previous prime is 10021020999971. The next prime is 10021021000013. The reversal of 10021021000001 is 10000012012001.

It is not a de Polignac number, because 10021021000001 - 2¹⁸ = 10021020737857 is a prime.

It is a super-2 number, since 2×10021021000001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10021021000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473953436 + ... + 473974578.

It is an arithmetic number, because the mean of its divisors is an integer number (345805891200).

Almost surely, 2^{10021021000001} is an apocalyptic number.

10021021000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021021000001 is a deficient number, since it is larger than the sum of its proper divisors (1044767518399).

10021021000001 is a wasteful number, since it uses less digits than its factorization.

10021021000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22829.

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

Adding to 10021021000001 its reverse (10000012012001), we get a palindrome (20021033012002).

The spelling of 10021021000001 in words is "ten trillion, twenty-one billion, twenty-one million, one", and thus it is an aban number and an uban number.